"Unlike most guidebooks, which spell everything out, Butchart's books are less specific. This is by design, as Butchart believed that exploration is nothing unless it holds surprises..."
"For me, the best books on Alpinism describe those who have genuinely pushed the boundaries of what is possible. Successful mountaineering literature, however, must do more than just transport the reader to an alien, frozen world through evocative prose and original metaphor..."
Two Tucson cave explorers — Gary Tenen and the late Randy Tufts — discovered majestic Kartchner Caverns southwest of Benson in 1974. Then, fearing that the cave's fragile limestone formations would be damaged by mobs of unregulated sightseers, they kept their find a closely guarded secret for 14 years...