How is my book “Passport to Kingdom Fungi” different from other mushroom books and foraging guides? .My book is a resource that will help you not only recognize mushrooms in the field, but can also help you navigate other books (a guide book to guidebooks). Very intentionally I decided to focus on the big picture and help people recognize general categories of edible mushrooms (at the genus level) rather than getting caught up in the nuances of species. I present the taxonomy and basic info like