Richard Laymon's
Flesh is 99 cents on Amazon. Another Laymon book,
The Lake is $1.99.
If you haven't read Richard Laymon yet, you should. His books are the best kind of schlock. Silly and eye-rollingly dumb, but entertaining even so. (To make things even better, the reviews for Flesh have a fair number that are actually for a Ruth Rendell Inspector Wexford book.)