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

Penguin

Pilot Whales

Timelines of Everything: From woolly mammoths to world wars

Polar Bear vs. Walrus

Whale Sharks

Where Is the Great Barrier Reef?

Humpback Whales

What Was the Lewis and Clark Expedition?

The Story of Sacajawea: Guide to Lewis and Clark