LONELY ON THE MOUNTAIN by Louis L'Amour; Bantam; $2.25;paperbound
Dwight Eisenhower passed on his dogeared copies to Secret Service men; former Israeli Defense Minister Ezer Weizman is an avid fan; so is Ronald Reagan's campaign press secretary, Lyn Nofziger. Tom Landry packs a volume with his Dallas Cowboys playbook for road trips; Country Star Willie Nelson has a coveted signed edition. Straight through the heartland of America, truck drivers pass up the centerfold magazines at diesel stops to buy a copy of his latest paperback; thousands of folks from Santa Fe, N. Mex., to...