Bicycling California's spine: Touring the length of the Sierra Nevada Paperback – 1981
by Bill Paul (Author)
A cycling guide covering 750 miles between Mt. Lassen and Kern County, Including four National Parks, now extended to Crater Lake, Oregon.
https://www.amazon.com/Bicycling-Californias-spine-Touring-length/dp/0960065032/ref=sr_1_1?ie=UTF8&qid=1490736631&sr=8-1&keywords=bicycling+california%27s+spine