Ring and Asia Wild accompany their parents to the Sea of Cortez in Baja, Mexico to search for the endangered vaquita and uncover a dangerous conspiracy.

Having fled to West Africa in the late 1970s for her work as a political radical, Hannah Musgrave befriends notorious former Liberian president Charles Taylor, who years later leads a rebellion that threatens Hannah's family.

Cursed by an old carnival game, sixth-grader Rex Dexter uses his new ability to communicate with dead animals to investigate the mysterious deaths of endangered zoo animals.

In a quiet harbor, a young child hears the call of a right whale, the rarest kind of whale. He is the only person in his town to hear the whale's moving song, and he waits by the bay to hear more of her story and shares in her joy and sorrow. At first her story makes the young boy sad, but he is soon filled with hope as she introduces her new calf to the world. Full of dreamy watercolors,Welcome Home, Whales shares the story of a boy who befriends...

Rhyming text and colorful illustrations offer a gentle bedtime call to some of the world's most endangered animals.

When the Aldens take up the case to investigate if a catastrophic oil spill that affected hundreds of species could have been prevented, they are led on an adventure to help other endangered animals around the world.