Cher Ami: WWI Homing Pigeon: WWI Homing Pigeon

Who Was Marco Polo?

Albert II: 1st Monkey in Space: 1st Monkey in Space

Amundsen, the polar explorer

Dolly: 1st Cloned Sheep: 1st Cloned Sheep

In the Heart of the Sea (Young Readers Edition): The True Story of the Whaleship Essex

Laika: 1st Dog in Space: 1st Dog in Space

Shark Life: True Stories About Sharks & the Sea

The discovery of America

Bud: 1st Dog to Cross the United States: 1st Dog to Cross the United States

The Young Investigator's Guide to Ancient Aliens

Sharks

Pilot Whales

Penguin

Timelines of Everything: From woolly mammoths to world wars

Ganges River Dolphins

Spinner Dolphins

Whale Sharks

Where Is the Great Barrier Reef?

Encantado: Pink Dolphin of the Amazon