Dive deep into the vivid underwater world of Dark Life!The oceans rose, swallowing the lowlands. Earthquakes shattered the continents, toppling entire regions i

Return to the subsea frontier with Ty and Gemma, where the mysteries of the deep are deadlier than ever. With time running out for his parents, Ty's desperation

The author tells of adventures that include New Mexico's Lechuguilla Cave and dark life below Washington State that resembles "micro-fossils" found in a Martian

An extreme wildlife photographer explores the bizarre species that thrive in complete darkness with more than 200mesmerizing color photos. Deep inside caves, at

Can God be good when life is not? Rediscover faith in the character, power, and presence of God. Even in the questions. Even in the hurt. "I want to believe, I