Translation of Roberts' Collins Field Guide to the Spiders of Britain and Northern Europe but containing 70-80 extra species. Major identification guide to 530 species of spider, designed for easy use without any complicated keys or equipment. Each species is described in detail and illustrated in colour, including common colour variants and differences between the sexes. General family features are also described, with information on behaviour and web-making, including a key to spiders' webs. A much-needed general guide to arachnid identification.