You suggest a topic (Romantic Novels, Science Fiction Films, Horror Film, Teen Novels -- whatever)

Then people provide titles with a letter added, removed or changed.

Just because it's funny. And inventive. And it alleviates boredom. Or writers block. Or both.

(Full disclosure -- it's 13 days until NaNo and I have almost entirely plotted out my story. And as always I am SO bored & frustrated waiting for midnight on the first you have no idea).