Food Pets Die For
by Ann N Martin

Protect Your Pet
Ann N Martin

The Healthy Pet
Deborah Straw

Dr Pitcairns complete Guide to Natural Health for Dogs and Cats
Richard & Susan Pitcairn
(THIS is a fave of mine and after getting a library copy I ordered one for ref from Amazon)

Foods Pets Die For totally changed the way my husband and I care for our furbabies. I reccommend it for any pet owner.