Where Are the Aliens?: The Search for Life Beyond Earth

Who Is Jane Goodall?

The World Ends in April

Out of the Ashes

What Is Earth Day?: A Good Answer to a Good Question

What Was the Age of the Dinosaurs?

What Was the Great Chicago Fire?

Who Was Rachel Carson?

Moonbird: A Year on the Wind with the Great Survivor B95

Prehistoric Predators

Seymour Simon's Extreme Earth Records

The Salmon Bears: Giants of the Great Bear Rainforest

Children of the Dust Bowl: The True Story of the School at Weedpatch Camp

Taj Mahal

The Finest Hours (Young Readers Edition): The True Story of a Heroic Sea Rescue