The Case of the Vanishing Golden Frogs: A Scientific Mystery

The Case of the Vanishing Little Brown Bats: A Scientific Mystery

Case of Vanishing Little Brown Bats: A Scientific Mystery

Follow Those Zebras: Solving a Migration Mystery

The Great Narwhal Rescue: Saving the Arctic Ocean's Narwhals

Follow Those Zebras: Solving a Migration Mystery

Thirsty, Thirsty Elephants: Read Along or Enhanced eBook

Thirsty, Thirsty Elephants

The Great Bear Rescue: Saving the Gobi Bears

Finding Home: Read Along or Enhanced eBook

The Great Shark Rescue: Saving the Whale Sharks

The Search for Olinguito: Discovering a New Species

Hip-Pocket Papa

The Great Shark Rescue: Saving the Whale Sharks

The Search for Olinguito: Discovering a New Species

The Great Bear Rescue: Saving the Gobi Bears

On the Hunt with Crocodiles

Secrets of the Lost City: A Scientific Adventure in the Honduran Rain Forest

On the Hunt with Crocodiles

Waiting for Ice: Read Along or Enhanced eBook