All Gone Aside by alianora
Harry Potter | Marauder Era AU | Short story, complete

The aftermath of a prank gone horribly wrong.

A Promise Worth Keeping by Cas
Harry Potter | Pre-Books AU | Novel, complete

A ten year old Harry runs away after a magical accident, and Remus and Snape try to get to him before an escaped Sirius Black.

Grim Dawn by Robin Lady
Harry Potter | Prisoner of Azkaban AU | Novel, complete

Fleeing Privet Drive after blowing up Aunt Marge, Harry encounters a pair of Death Eaters... and is saved by Sirius Black.

A Spirit of Brotherhood by torch
Harry Potter | Post-GoF | Novella, complete

Snape, Remus and Sirius discover that dark times - and Albus Dumbledore - make for unlikely alliances.

Failing Harry by Mi
Harry Potter | During OotP | Short, complete

A brief conversation between enemies during OotP.