Stepping out

Whether you tramp the park’s stunning trails on foot or simply travel them
in your mind, Walking with Muir across Yosemite should suit. Thomas and
Geraldine Vale’s evocative guide follows pioneering conservationist John Muir,
retracing his steps through the magnificent scenery, with descriptions,
photographs and some of Muir’s own sketches thrown in. Published by University
of Wisconsin Press, £11.95/$14.95, ISBN 029915694X.