The Fungal Pharmacy: A Complete Guide... (Robert Rogers)
A guide for those who want to delve head-first into the world of medicinal mushrooms and lichens. This book is incredibly in-depth and covers species both common and obscure. It covers the chemical constituents of different species, cites clinical studies, and talks about folk-lore and historical use, as well as homeopathic uses, fungal essences, mycoremediation, etymology, and preparation.
A great reference book for herbalists and medicine makers looking to incorporate medicinal mushrooms into their products or for anyone interested in the subject.