I have the following Georgette Heyer books - most do not have an ISBN and I'm just too lazy to load in all the information, so I'm offering one free with each order from my shelf.  Just order and PM me with your choice.  Pat

All are paperback. The books and condition are:

A Blunt Instrument - Postable - Published February 1973

The Unfinished Clue - ISBN - 0553114423 - Probably postable by PBS rules, but not mine

Detection Unlimited - a couple of pages have nicks in them - published January 1972

Why Shoot a Butler?  Postable - Printed January 1970

Penhollow - ?Postable - couple of nicks in pages at end of book - I wouldn't post it - ISBN 0425097781

ETA - 2 more books:

Death in the Stocks - Postable - Printed June 1971

Sylvester - Unpostable - possible water damage Printed 1995 - no ISBN