The immensely successful Clue Books, completely revised and redesigned to provide a series of up-to-date pocket field guides to exploring and identifying the creatures and features of the natural world. * Each title provides a step-by-step logical sequence of visual clues to identification, and how to interpret them. * Fact files and colour plates provide background information. * Practical advice on where to look for specimens and how to collect and examine them. * Includes all common plants and animals of N.W. Europe. * New pocket-book format for ease of use.