Judging the book's cover

[dar_jeeling]

So the "covers" for Castle, season 1-3: neat, right? Pretty, distinctive style, gives you a notion 'bout what kind of story they're telling. (Especially the season 3 one. With the handcuffs. Totally what it's about. ;D)

But what kind of godawful tragedy is the cover for season 4? D: