We've known for decades that Gene Wilder's Willy Wonka and the Chocolate Factory was a wonderfully subversive film, littered with nuggets that'd never find their way into a children's film today. But imagine our surprise to find an incredibly dirty joke hidden in plain sight. Or, rather, plain sound.
Fans aren't the only ones who complain about crappy adaptations of their favorite genre works. The authors themselves are often unafraid to get in on the action. Here are six sci-fi, fantasy and horror writers who spoke up when their work got butchered.