Subtitled The True Story of Volcanic Disaster at Galeras and Nevado Del Ruiz, Bruce investigates the 1985 eruption that killed 23,000 people and the 1993 blast that killed nine. Bruce, a geologist and science writer, argues that it was human folly and hubris that led these eruptions in Colombia to take a deadly turn.  (SAM50, $13.95)

Volcanoes