The idea is you embolden the ones you've read, then add three to the bottom . . .
I'd read quite a lot till around 200, then hadn't even heard of most after that!
1. The Lord of the Rings, J.R.R. Tolkien
2. Pride and Prejudice, Jane Austen
3. His Dark Materials, Philip Pullman
4. The Hitchhiker's Guide to the Galaxy, Douglas Adams
5. Harry Potter and the Goblet of Fire, J.K. Rowling
6. To Kill a Mockingbird, Harper Lee
7. Winnie the Pooh, A.A. Milne
8. 1984, George Orwell
9. The Lion, the Witch and the Wardrobe, C.S. Lewis
10. Jane Eyre, Charlotte Bronte
11. Catch-22, Joseph Heller
12. Wuthering Heights, Emily Bronte
13. Birdsong, Sebastian Faulks
14. Rebecca, Daphne du Maurier
15. The Catcher in the Rye, J.D. Salinger
16. The Wind in the Willows, Kenneth Grahame
17. Great Expectations, Charles Dickens
18. Little Women, Louisa May Alcott
19. Captain Corelli's Mandolin, Louis de Bernieres
20. War and Peace, Leo Tolstoy
21. Gone with the Wind, Margaret Mitchell
22. Harry Potter And The Sorcerer's Stone, J.K. Rowling
23. Harry Potter And The Chamber Of Secrets, J.K. Rowling
24. Harry Potter And The Prisoner Of Azkaban, J.K. Rowling
25. The Hobbit, J.R.R. Tolkien
26. Tess Of The D'Urbervilles, Thomas Hardy
27. Middlemarch, George Eliot
28. A Prayer For Owen Meany, John Irving
29. The Grapes Of Wrath, John Steinbeck
30. Alice's Adventures In Wonderland, Lewis Carroll
31. The Story Of Tracy Beaker, Jacqueline Wilson
32. One Hundred Years Of Solitude, Gabriel Garcia Marquez
33. The Pillars Of The Earth, Ken Follett
34. David Copperfield, Charles Dickens
35. Charlie And The Chocolate Factory, Roald Dahl
36. Treasure Island, Robert Louis Stevenson
37. A Town Like Alice, Nevil Shute
38. Persuasion, Jane Austen
39. Dune, Frank Herbert
40. Emma, Jane Austen
41. Anne Of Green Gables, L.M. Montgomery
42. Watership Down, Richard Adams
43. The Great Gatsby, F. Scott Fitzgerald
44. The Count Of Monte Cristo, Alexandre Dumas
45. Brideshead Revisited, Evelyn Waugh
46. Animal Farm, George Orwell
47. A Christmas Carol, Charles Dickens
48. Far From The Madding Crowd, Thomas Hardy
49. Goodnight Mister Tom, Michelle Magorian
50. The Shell Seekers, Rosamunde Pilcher
51. The Secret Garden, Frances Hodgson Burnett
52. Of Mice And Men, John Steinbeck
53. The Stand, Stephen King
54. Anna Karenina, Leo Tolstoy
55. A Suitable Boy, Vikram Seth
56. The BFG, Roald Dahl
57. Swallows And Amazons, Arthur Ransome
58. Black Beauty, Anna Sewell
59. Artemis Fowl, Eoin Colfer
60. Crime And Punishment, Fyodor Dostoyevsky
61. Noughts And Crosses, Malorie Blackman
62. Memoirs Of A Geisha, Arthur Golden
63. A Tale Of Two Cities, Charles Dickens
64. The Thorn Birds, Colleen McCollough
65. Mort, Terry Pratchett
66. The Magic Faraway Tree, Enid Blyton
67. The Magus, John Fowles
68. Good Omens, Terry Pratchett and Neil Gaiman
69. Guards! Guards!, Terry Pratchett
70. Lord Of The Flies, William Golding
71. Perfume, Patrick Susskind
72. The Ragged Trousered Philanthropists, Robert Tressell
73. Night Watch, Terry Pratchett
74. Matilda, Roald Dahl
75. Bridget Jones' Diary, Helen Fielding
76. The Secret History, Donna Tartt
77. The Woman In White, Wilkie Collins
78. Ulysses, James Joyce
79. Bleak House, Charles Dickens
80. Double Act, Jacqueline Wilson
81. The Twits, Roald Dahl
82. I Capture The Castle, Dodie Smith
83. Holes, Louis Sachar
84. Gormenghast, Mervyn Peake
85. The God Of Small Things, Arundhati Roy
86. Vicky Angel, Jacqueline Wilson
87. Brave New World, Aldous Huxley
88. Cold Comfort Farm, Stella Gibbons
89. Magician, Raymond E. Feist
90. On The Road, Jack Kerouac
91. The Godfather, Mario Puzo
92. The Clan Of The Cave Bear, Jean M. Auel
93. The Colour Of Magic, Terry Pratchett
94. The Alchemist, Paulo Coelho
95. Katherine, Anya Seton
96. Kane And Abel, Jeffrey Archer
97. Love In The Time Of Cholera, Gabriel Garcia Marquez
98. Girls In Love, Jacqueline Wilson
99. The Princess Diaries, Meg Cabot
100. Midnight's Children, Salman Rushdie
101. Three Men In A Boat, Jerome K. Jerome
102. Small Gods, Terry Pratchett
103. The Beach, Alex Garland
104. Dracula, Bram Stoker
105. Point Blanc, Anthony Horowitz
106. The Pickwick Papers, Charles Dickens
107. Stormbreaker, Anthony Horowitz
108. The Wasp Factory, Iain Banks
109. The Day Of The Jackal, Frederick Forsyth
110. The Illustrated Mum, Jacqueline Wilson
111. Jude The Obscure, Thomas Hardy
112. The Secret Diary Of Adrian Mole Aged 13 1/2, Sue Townsend
113. The Cruel Sea, Nicholas Monsarrat
114. Les Miserables, Victor Hugo
115. The Mayor Of Casterbridge, Thomas Hardy
116. The Dare Game, Jacqueline Wilson
117. Bad Girls, Jacqueline Wilson
118. The Picture Of Dorian Gray, Oscar Wilde
119. Shogun, James Clavell
120. The Day Of The Triffids, John Wyndham
121. Lola Rose, Jacqueline Wilson
122. Vanity Fair, William Makepeace Thackeray
123. The Forsyte Saga, John Galsworthy
124. House Of Leaves, Mark Z. Danielewski
125. The Poisonwood Bible, Barbara Kingsolver
126. Reaper Man, Terry Pratchett
127. Angus, Thongs, And Full-Frontal Snogging by Louise Rennison
128. The Hound Of The Baskervilles, Arthur Conan Doyle
129. Possession, A.S. Byatt
130. The Master And Margarita, Mikhail Bulgakov
131. The Handmaid's Tale, Margaret Atwood
132. Danny, The Champion Of The World by Roald Dahl
133. East Of Eden, John Steinbeck
134. George's Marvellous Medicine, Roald Dahl
135. Wyrd Sisters, Terry Pratchett
136. The Color Purple, Alice Walker
137. Hogfather, Terry Pratchett
138. The Thirty-Nine Steps, John Buchan
139. Girls In Tears, Jacqueline Wilson
140. Sleepovers, Jacqueline Wilson
141. All Quiet On The Western Front, Erich Maria Remarque
142. Behind The Scenes At The Museum, Kate Atkinson
143. High Fidelity, Nick Hornby
144. It, Stephen King
145. James And The Giant Peach, Roald Dahl
146. The Green Mile, Stephen King
147. Papillon, Henri Charriere
148. Men At Arms, Terry Pratchett
149. Master And Commander, Patrick O'Brian
150. Skeleton Key, Anthony Horowitz
151. Soul Music, Terry Pratchett
152. Thief Of Time, Terry Pratchett
153. The Fifth Elephant, Terry Pratchett
154. Atonement, Ian McEwan
155. Secrets, Jacqueline Wilson
156. The Silver Sword, Ian Serraillier
157. One Flew Over The Cuckoo's Nest, Ken Kesey
158. Heart Of Darkness, Joseph Conrad
159. Kim, Rudyard Kipling
160. Outlander, Diana Gabaldon
161. Moby Dick, Herman Melville
162. River God, Wilbur Smith
163. Sunset Song, Lewis Grassic Gibbon
164. The Shipping News, Annie Proulx
165. The World According To Garp, John Irving
166. Lorna Doone, R.D. Blackmore
167. Girls Out Late, Jacqueline Wilson
168. The Far Pavilions, M.M. Kaye
169. The Witches, Roald Dahl
170. Charlotte's Web, E.B. White
171. Frankenstein, Mary Shelley
172. They Used To Play On Grass, Terry Venables and Gordon Williams
173. The Old Man And The Sea, Ernest Hemingway
174. The Name Of The Rose, Umberto Eco
175. Sophie's World, Jostein Gaarder
176. Dustbin Baby, Jacqueline Wilson
177. Fantastic Mr. Fox, Roald Dahl
178. Lolita, Vladimir Nabokov
179. Jonathan Livingstone Seagull, Richard Bach
180. The Little Prince, Antoine De Saint-Exupery
181. The Suitcase Kid, Jacqueline Wilson
182. Oliver Twist, Charles Dickens
183. The Power Of One, Bryce Courtenay
184. Silas Marner, George Eliot
185. American Psycho, Bret Easton Ellis
186. The Diary Of A Nobody, George and Weedon Grossmith
187. Trainspotting, Irvine Welsh
188. Goosebumps, R.L. Stine
189. Heidi, Johanna Spyri
190. Sons And Lovers, D.H. Lawrence
191. The Unbearable Lightness of Being, Milan Kundera
192. Man And Boy, Tony Parsons
193. The Truth, Terry Pratchett
194. The War Of The Worlds, H.G. Wells
195. The Horse Whisperer, Nicholas Evans
196. A Fine Balance, Rohinton Mistry
197. Witches Abroad, Terry Pratchett
198. The Once And Future King, T.H. White
199. The Very Hungry Caterpillar, Eric Carle
200. Flowers In The Attic, V.C. Andrews
201. The Silmarillion, J.R.R. Tolkien
202. The Eye of the World, Robert Jordan
203. The Great Hunt, Robert Jordan
204. The Dragon Reborn, Robert Jordan
205. Fires of Heaven, Robert Jordan
206. Lord of Chaos, Robert Jordan
207. Winter's Heart, Robert Jordan
208. A Crown of Swords, Robert Jordan
209. Crossroads of Twilight, Robert Jordan
210. A Path of Daggers, Robert Jordan
211. As Nature Made Him, John Colapinto
212. Microserfs, Douglas Coupland
213. The Married Man, Edmund White
214. Winter's Tale, Mark Helprin
215. The History of Sexuality, Michel Foucault
216. Cry to Heaven, Anne Rice
217. Same-Sex Unions in Premodern Europe, John Boswell
218. Equus, Peter Shaffer
219. The Man Who Ate Everything, Jeffrey Steingarten
220. Letters To A Young Poet, Rainer Maria Rilke
221. Ella Minnow Pea, Mark Dunn
222. The Vampire Lestat, Anne Rice
223. Anthem, Ayn Rand
224. The Bridge To Terabithia, Katherine Paterson
226. The Metamorphosis, Franz Kafka
227. The Crucible, Arthur Miller
228. The Trial, Franz Kafka
229. Oedipus Rex, Sophocles
230. Oedipus at Colonus, Sophocles
231. Death Be Not Proud, John Gunther
232. A Doll's House, Henrik Ibsen
233. Hedda Gabler, Henrik Ibsen
234. Ethan Frome, Edith Wharton
235. A Raisin In The Sun, Lorraine Hansberry
236. ALIVE!, Piers Paul
237. Grapefruit, Yoko Ono
238. Trickster Makes This World, Lewis Hyde
240. The Mists of Avalon, Marion Zimmer Bradley
241. Chronicles of Thomas Convenant, Unbeliever by Stephen Donaldson
242. Lord of Light, Roger Zelazny
242. The Amazing Adventures of Kavalier & Clay, Michael Chabon
243. Summerland, Michael Chabon
244. A Confederacy of Dunces, John Kennedy Toole
245. Candide, Voltaire
246. The Wonderful Story of Henry Sugar and Six More, Roald Dahl
247. Ringworld, Larry Niven
248. The King Must Die, Mary Renault
249. Stranger in a Strange Land, Robert Heinlein
250. A Wrinkle in Time, Madeline L'Engle
251. The Eyre Affair, Jasper Fforde
252. The House Of The Seven Gables, Nathaniel Hawthorne
253. The Scarlet Letter, Nathaniel Hawthorne
254. The Joy Luck Club, Amy Tan
255. The Great Gilly Hopkins, Katherine Paterson
256. Chocolate Fever, Robert Kimmel Smith
257. Xanth: The Quest for Magic, Piers Anthony
258. The Lost Princess of Oz, L. Frank Baum
259. Wonder Boys, Michael Chabon
260. Lost In A Good Book, Jasper Fforde
261. Well Of Lost Plots, Jasper Fforde
261. Life Of Pi, Yann Martel
263. The Bean Trees, Barbara Kingsolver
264. A Yellow Raft In Blue Water, Michael Dorris
265. Little House on the Prairie, Laura Ingalls Wilder
267. Where The Red Fern Grows, Wilson Rawls
268. Griffin & Sabine, Nick Bantock
269. Witch of Blackbird Pond, Joyce Friedland
270. Mrs. Frisby And The Rats Of NIMH, Robert C. O'Brien
271. Tuck Everlasting, Natalie Babbitt
272. The Cay, Theodore Taylor
273. From The Mixed-Up Files Of Mrs. Basil E. Frankweiler, E.L. Konigsburg
274. The Phantom Tollbooth, Norton Juster
275. The Westing Game, Ellen Raskin
276. The Kitchen God's Wife, Amy Tan
277. The Bone Setter's Daughter, Amy Tan
278. Relic, Douglas Preston & Lincoln Child
279. Wicked, Gregory Maguire
280. American Gods, Neil Gaiman
281. Misty of Chincoteague, Marguerite Henry
282. The Girl Next Door, Jack Ketchum
283. Haunted, Judith St. George
284. Singularity, William Sleator
285. A Short History of Nearly Everything, Bill Bryson
286. Different Seasons, Stephen King
287. Fight Club, Chuck Palahniuk
288. About a Boy, Nick Hornby
289. The Bookman's Wake, John Dunning
290. The Church of Dead Girls, Stephen Dobyns
291. Illusions, Richard Bach
292. Magic's Pawn, Mercedes Lackey
293. Magic's Promise, Mercedes Lackey
294. Magic's Price, Mercedes Lackey
295. The Dancing Wu Li Masters, Gary Zukav
296. Spirits of Flux and Anchor, Jack L. Chalker
297. Interview with the Vampire, Anne Rice
298. The Encyclopedia of Unusual Sex Practices, Brenda Love
299. Infinite Jest, David Foster Wallace
300. The Bluest Eye, Toni Morrison
301. The Cider House Rules, John Irving
302. Ender's Game, Orson Scott Card
303. Girlfriend in a Coma, Douglas Coupland
304. The Lion's Game, Nelson Demille
305. The Sun, The Moon, and the Stars by Stephen Brust
306. Cyteen, C.J. Cherry
307. Foucault's Pendulum, Umberto Eco
308. Cryptonomicon, Neal Stephenson
309. Invisible Monsters, Chuck Palahniuk
310. Camber of Culdi, Kathryn Kurtz
311. The Fountainhead, Ayn Rand
312. War and Remembrance, Herman Wouk
313. The Art of War, Sun Tzu
314. The Giver, Lois Lowry
315. The Telling, Ursula Le Guin
316. Xenogenesis (or Lilith's Brood), Octavia Butler
317. A Civil Campaign, Lois McMaster Bujold
318. The Curse of Chalion, Lois McMaster Bujold
319. The Aeneid, Publius Vergilius Maro
320. Hanta Yo, Ruth Beebe Hill
321. The Princess Bride, S. Morganstern (who HASN'T seen this movie?!)
322. Beowulf, Anonymous
323. The Sparrow, Maria Doria Russell
324. Deerskin, Robin McKinley
325. Dragonsong, Anne McCaffrey
326. Passage, Connie Willis
327. Otherland, Tad Williams
328. Tigana, Guy Gavriel Kay
329. Number the Stars, Lois Lowry
330. Beloved, Toni Morrison
331. Lamb: The Gospel According to Biff, Christ's Childhood Pal by Christopher Moore
332. The Mysterious Disappearance of Leon... I Mean Noel, Ellen Raskin
333. Summer Sisters, Judy Blume
334. The Hunchback of Notre Dame, Victor Hugo
335. The Island on Bird Street, U.R.I. Orlev
336. Midnight in the Dollhouse, Marjorie Filley Stover
337. The Miracle Worker, William Gibson
338. The Genesis Code, John Case
339. The Strange Case of Dr. Jekyll and Mr. Hyde, Robert Louis Stevenson
340. Paradise Lost, John Milton
341. Phantom, Susan Kay
342. The Mummy, or Ramses the Damned by Anne Rice
343. Anno Dracula, Kim Newman
344: The Dresden Files: Grave Peril, Jim Butcher
345: Tokyo Suckerpunch, Isaac Adamson
346: The Winter of Magic's Return, Pamela Service
347: The Oddkins, Dean R. Koontz
348. My Name is Asher Lev, Chaim Potok
349. The Last Goodbye, Raymond Chandler
350. At Swim, Two Boys by Jaime O'Neill
351. Othello, by William Shakespeare
352. The Collected Poems of Dylan Thomas
353. The Collected Poems of William Butler Yeats
354. Sati, Christopher Pike
355. The Inferno, Dante
356. The Apology, Plato
357. The Small Rain, Madeline L'Engle
358. The Man Who Tasted Shapes, Richard E. Cytowick
359. 5 Novels, Daniel Pinkwater
360. The Sevenwaters Trilogy, Juliet Marillier
361. Girl with a Pearl Earring, Tracy Chevalier
362. To the Lighthouse, Virginia Woolf
363. Our Town, Thornton Wilder
364. Green Grass Running Water, Thomas King
335. The Interpreter, Suzanne Glass
336. The Moor's Last Sigh, Salman Rushdie
337. The Mother Tongue, Bill Bryson
338. A Passage to India, E.M. Forster
339. The Perks of Being a Wallflower, Stephen Chbosky
340. The Phantom of the Opera, Gaston Leroux
341. Pages for You, Sylvia Brownrigg
342. The Changeover, Margaret Mahy
343. Howl's Moving Castle, Diana Wynne Jones
344. Angels and Demons, Dan Brown
345. Johnny Got His Gun, Dalton Trumbo
346. Shosha, Isaac Bashevis Singer
347. Travels With Charley, John Steinbeck
348. The Diving-Bell and the Butterfly by Jean-Dominique Bauby
349. The Lunatic at Large by J. Storer Clouston
350. Time for Bed by David Baddiel
351. Barrayar by Lois McMaster Bujold
352. Quite Ugly One Morning by Christopher Brookmyre
353. The Bloody Sun by Marion Zimmer Bradley
354. Sewer, Gas, and Electric by Matt Ruff
355. Jhereg by Steven Brust
356. So You Want To Be A Wizard by Diane Duane
357. Perdido Street Station, China Mieville
358. The Tenant of Wildfell Hall, Anne Bronte
359. Road-side Dog, Czeslaw Milosz
360. The English Patient, Michael Ondaatje
361. Neuromancer, William Gibson
362. The Epistemology of the Closet, Eve Kosofsky Sedgwick
363. A Canticle for Liebowitz, Walter M. Miller, Jr.
364. The Mask of Apollo, Mary Renault
365. The Gunslinger, Stephen King
366. Romeo and Juliet, William Shakespeare
367. Childhood's End, Arthur C. Clarke
368. A Season of Mists, Neil Gaiman
369. Ivanhoe, Walter Scott
370. The God Boy, Ian Cross
371. The Beekeeper's Apprentice, Laurie R. King
372. Finn Family Moomintroll, Tove Jansson
373. Misery, Stephen King
374. Tipping the Velvet, Sarah Waters
375. Hood, Emma Donoghue
376. The Land of Spices, Kate O'Brien
377. The Diary of Anne Frank
378. Regeneration, Pat Barker
379. Tender is the Night, F. Scott Fitzgerald
380. Dreaming in Cuban, Cristina Garcia
381. A Farewell to Arms, Ernest Hemingway
382. The View from Saturday, E.L. Konigsburg
383. Dealing with Dragons, Patricia Wrede
384. Eats, Shoots & Leaves, Lynne Truss
385. A Severed Wasp, Madeleine L'Engle
386. Here Be Dragons, Sharon Kay Penman
387. The Mabinogion (Ancient Welsh Tales), translated by Lady Charlotte E. Guest
388. The DaVinci Code, Dan Brown
389. Desire of the Everlasting Hills, Thomas Cahill
390. The Cloister Walk, Kathleen Norris
391. The Things We Carried, Tim O'Brien
392. I Know This Much Is True, Wally Lamb
393. Choke, Chuck Palahniuk
394. Ender's Shadow, Orson Scott Card
395. The Memory of Earth, Orson Scott Card
396. The Iron Tower, Dennis L. McKiernen
397. Atlas Shrugged, Ayn Rand
398. A Ring of Endless Light, Madeline L'Engle
399. Lords of Discipline, Pat Conroy
400. Hyperion, Dan Simmons
401. If Nobody Speaks of Remarkable Things, Jon McGregor
402. The Bridge, Iain Banks
403. How to Be Good, Nick Hornby
404. The Stone Diaries, Carol Shields
405. A Map of the World, Jane Hamilton
406. Eragon, Christopher Paolini
407. A Series of Unfortunate Events, Lemony Snicket
408. I'm A Stranger Here Myself, Bill Bryson
409. The Neverending Story, Michael Ende
410. The Shining, Stephen King
411. The Alien Chronicles, Deborah Chester
412. Redwall, Brian Jacques
413. Mossflower, Brian Jacques
414. The Iliad, Homer
415. Don Quixote, Miguel de Cervantes
416. The Adventures of Tom Sawyer, Mark Twain
417. The Adventures of Huckleberry Finn, Mark Twain
418. The Odyssey, Homer
419. The Forger, Paul Watkins
420. Fingersmith, Sarah Waters
421. Island of the Sequined Love Nun, Christopher Moore
422. The Maids, Jean Genet
423. The Dress Lodger, Sheri Holman
424. Confessions of a Shopaholic, Sophia Kinsella
425. Haunted, Chuck Palahniuk
426. Lost, Gregory Maguire
427. Harry Potter and the Half-Blood Prince, J.K. Rowling
428. The Other Boleyn Girl, Phillippa Gregory
429. The Turner Diaries by Andrew Macdonald, pen name of William L. Pierce
430. Desperation, Stephen King
431. Blue Thursday, Robert M. Long
432. The Serial Killer Files: The Who, What, Where, How, and Why of the World's Most Terrifying Murderers, Harold Schechter
433. The Greater Vancouver Book: An Urban Encyclopedia, Chuck Davis
434. July's People, Nadine Gordimer
435. Valley of the Dolls, Jacqueline Susann
436. The Exorcist, William Peter Blatty
437. Flowers for Algernon, Daniel Keyes
438. Keep the Aspidistra Flying George Orwell
439. When Hitler Stole Pink Rabbit Judith Kerr
440. Capital Karl Marx