Tree of Wonder: The Many Marvelous Lives of a Rainforest Tree

Over and Under the Canyon

Tracking Tortoises: The Mission to Save a Galápagos Giant

Over and Under the Coral Reef

Over and Under the Pond

How to Save a Tortoise

Insect Superpowers: 18 Powerful Bugs That Smash, Zap, Hypnotize, Sting, and Devour!

Over and Under the Waves

Over and Under the Rainforest

How to Save an Owl

How to Save an Otter

Sea Monster and the Bossy Fish

Up in the Garden and Down in the Dirt

The Next Scientist: The Unexpected Beginnings and Unwritten Future of the World’s Great Scientists

Dr. Fauci: How a Boy from Brooklyn Became America's Doctor

Long Road to Freedom (Ranger in Time #3)

Escape from the Great Earthquake (Ranger in Time #6)

Rescue on the Oregon Trail (Ranger in Time #1)

Danger in Ancient Rome (Ranger in Time #2)