To Avril and interested others,
Interesting that this topic should come up just now. A couple of days
ago I received the link included below from my friend, Raye Germon.
http://www.si.edu/resource/faq/nmnh/mollusk1.htm
This is a listing of information sources on mollusks divided into
categories, i.e. for young people, beginning adults, etc.
Laura Kahler,
Hagerstown, Md.