Challenge Underground by Bruce L. Bedford music is to show the effect

is to show the effect of Indian medicinal practices on white civilization

From an early age he set out to be an explorer and worked to realize his ambition with singular determination

black and white illustrations facing chapter titles

rubbing to spine and corners

has painstakingly assembled and interpreted the surviving historical evidence

Challenge Underground by Bruce L. Bedford music is to show the effectChallenge Underground by Bruce L. Bedford George Allen & Unwin, 1975, ISBN 0047960434, black and white photographic plates, line drawings, paperback Very Good Condition, a little edge and shelf wear, a little rubbing and bumping to edges and corners, no inscriptions (see photographs) Caving was for a long time the Cinderella of the adventure sports, and most of us still view the thought of plunging many hundreds of feet below the surface of a hillside