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

Shark Life: True Stories About Sharks & the Sea

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

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

The discovery of America

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

Sharks

Pilot Whales

Penguin

Where Is the Great Barrier Reef?

Timelines of Everything: From woolly mammoths to world wars

Polar Bear vs. Walrus

Whale Sharks

Humpback Whales

What Was the Lewis and Clark Expedition?

The Story of Sacajawea: Guide to Lewis and Clark