Beware Poison! A Horse-owner's Guide to Harmful and Indigestible Plants:

Poisoning, due to carelessness or wrong feeding, can happen. The effects are traumatic and sometimes deadly. This book describes the principal poisonous and harmful plants that any horse-owner should be aware of, listed according to their toxicity. Important details about the symptoms of poisoning, first aid, and much more make this book essential reading for any stable.