Hello Joyce & Avril There is a very good book on apple snails. Dr. Gloria Perera & Jerry G. Walls 1996 Apple Snails in the Aquarium - Ampullariids: Their Identification, Care and Breeding 121 all-color pages (26 x 17.5 cm) TFH # TS-260 List: $19.95 (1 lb 5.8 oz / .620 kg) ISBN 0-7938-2085-5 UPC 018214120858 Unfortuatly after careful review, it contains no information on diseases. Best Regards, Leslie HARF-IMCS Natural History Books 10440 Valley Forge Drive #2 Houston, TX 77042-1918 USA (713) 784-7084 / (713) 598-7084 / [log in to unmask] Leslie Allen Crnkovic, Proprietor Purveyor of Natural History Books Specializing in Malacology, Conchology & Marine Sciences New & Used: Buy - Sell - Trade, Write for a free list. ABE ID: 3026354 www.abebooks.com ------------------------------------------------------- Hello Conchlers, I have had a lady come to me with a mystery illness in a friends apple snails. The two snails troubled with the illness have died and now Joyce is trying to find out what this malady might be just in case her pet snails ever develop the same problem. I have set up a mystery page for Joyce at: http://www.manandmollusc.net/Mystery_shell_pages/joyce-mystery.html You can email Joyce in person at: [log in to unmask] or if you answer the list, I will forward all responses on to her. Thank you again for any help that you might be able to give in this mystery. All the very best and I hope everyone has a great weekend, Avril Bourquin PO Box 366 Invermere, BC Canada, V0A 1K0 Phone/Fax: (250) 342-7224 Cell Phone: (250) 341-5189 Email: [log in to unmask] URL: http://www.manandmollusc.net ---------------------------------------------------------------------- [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. ----------------------------------------------------------------------