Opening Goliath: Danger and Discovery in Caving

"Writing in a style that reads like fiction, Griffith takes readers into heart-stopping action alongside caver John Ackerman, who found unexplored Goliath Cave in southeastern Minnesota." St. Paul Pioneer Press

Narrow passages, twisting upward or dropping precipitously. Huge vaults filled with fantastic shapes. Tunnels twined in tangled mazes. Over centuries, underground rivers can carve holes and rooms in solid rock; drips of water build walls of stone. Natural caves shape another world ben...