As soon as I trade/sell them I want them back.;)

It depends on the book to be honest. Film genre books are a mixed bag.The Universal Filmscript books are staying as are most of the books on Karloff, Lugosi and Universal.

Paperbacks. Heh. I have a bookcase full of them. Most of them are the pulp novels published by Pinnacle in the 70's (Executioner, Death Merchant, Edge, Destroyer) etc that you just can't find too often. Hanging on to quite a few of the Doc Savage Omnibus and The Avenger books as well.

I do have a row of Edgar Wallace hardbacks I've been meaning to put on ebay. They have been sitting unread on the shelf for years now.
"Permit me to introduce myself.My name is Mabuse.Dr Mabuse".