The mountain is eternal, but trails change, and in his new book, Mount Tamalpais Trails , Barry Spitz updates and expands the roster. Spitz, who has spent more than forty years uncovering Mt. Tam’s secrets, shares his encyclopedic knowledge of the mountain’s complex network; every inch of trail was walked and measured.

160 trails and fire roads, maps, and color photographs; includes an introduction to Tam’s natural and human history. 368 pages, 6” x 9”, paperback