The Palaeontological Association Field Guide to Fossils, Number 9, Fossils of the Rhaetian Penarth Group Andrew Swift (Editor), David M. Martill (Editor) ISBN: 978-0-901702-65-4 Paperback 316 pages December 1999, Wiley-Blackwell US $49.95 Add to Cart This price is valid for United States. Change location to view local pricing and availability. This is a Print-on-Demand title. It will be printed specifically to fill your order. Please allow an additional 2-3 days delivery time. The book is not returnable.