Walker's Britain: The Complete Pocket Guide to Over 240 Walks and Rambles by George Re Toulmin
This book contains over 240 routes with maps on a 1:50,000 scale plus written directions revised by a team of check walkers, points of interest along the way - from birds to castles to pubs, a full range of walks from short strolls to long country rambles, with a briefing on all the official, as well as unofficial, long-distance paths and updated information on the law and rights of way, clothes and equipment and directions to each starting point by car or public transport.