The Bone Clocks by David Mitchell

Midway through David Mitchell's novel The Bone Clocks, author Crispin Hershey is caught up in a heated phone conversation with his agent.

"Crispin. Are you trying to tell me that you’re writing a fantasy novel?"

"Me? Never! Or it’s only one-third fantasy. Half, at most."

"A book can’t be a half fantasy any more than a woman can be half pregnant."

I doubt th…