Night of Soldiers and Spies (Ranger in Time #10)

First Ascent: The Epic Yosemite Rock-Climbing Rivalry of Royal Robbins and Warren Harding

Attack on Pearl Harbor (Ranger in Time #12)

Escape from the Twin Towers (Ranger in Time #11)

Rolling Thunder

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

Over and Under the Waves

Over and Under the Pond

Long Road to Freedom (Ranger in Time #3)

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

How to Read a Story

How to Save an Owl

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

Fergus and Zeke

Capture the Flag

Tracking Pythons: The Quest to Catch an Invasive Predator and Save an Ecosystem

Wake Up Missing

Camp Monster

Fergus and Zeke at the Science Fair