With more than 700 color paintings arranged by families for quick comparison of similar species, and with detailed information on range, habitat, size, and voic

An indispensable guide for both the beginner and the expert in identification of birds, emphasizing clues to watch when they are seen at a distance.

A new approach to identifying mushrooms based on five key features that can be observed while in the field. Toadstools, truffles, boletes and morels, witches' b

At a time when interest in herbs and natural medicine has never been higher, the second edition of this essential guide shows how to identify more than 500 heal

Describes sixty species of North American warblers.