Hello Shirley. The most comprehensive single volume reference available is "Seashells of China" by Qi Zongyan (2004): 418 pages, 1850 color photos of 1661 species. This is an expensive book, but it's available for $ 149.00 at http://www.shop.mdmbooks.com/. Martin ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------