Book excerpt: The Handbook of Mushroom Poisoning provides an in-depth examination of mushroom poisoning, including case examples for each toxic class. The book contains specific chapters on mushroom poison pharmacology and approaches to treatment of cases caused by an unknown mushroom or unknown poison. For those who want a broader background, there are sections on gross and microscopic mushroom identification, general information about the types of toxic substances found in various mushroom families, and tables detailing the results of various field and laboratory tests. For those interested in learning more about mushroom poisonings and how to treat them, this book is a must.