Voices in the Ocean: A Journey into the Wild and Haunting World of Dolphins

Dolphins: Voices in the Ocean

The Underworld: Journeys to the Depths of the Ocean

Voices in the Ocean: A Journey into the Wild and Haunting World of Dolphins

The Wave: In Pursuit of the Oceans' Greatest Furies

Women Heroes of the American Revolution: 20 Stories of Espionage, Sabotage, Defiance, and Rescue