The My Great Bear Rainforest series gives readers a close-up look at the animals who live in the world’s largest temperate rainforest.

Keep Our World Green

Illustrated By: Sara Theuerkauf

Part of the nonfiction Orca Timeline series for middle-grade readers, this illustrated book examines parks, gardens and public green spaces throughout history and shares why it’s important to protect them for future generations.

Why We Need Vaccines

Illustrated By: Paige Stampatori

Part of the nonfiction Orca Timeline series, with photographs and illustrations throughout, this book examines the history, science, ethics and social issues related to infectious diseases and vaccines.

Walls

Illustrated By: Arden Taylor

Part of the nonfiction Orca Timeline series, with photographs and illustrations throughout, this book explores why and how people have built walls all over the world throughout the course of human history.

Cities

Illustrated By: Suharu Ogawa

Part of the nonfiction Orca Timeline series for middle-grade readers, this illustrated book examines the past, present and future of cities around the world.

Why Humans Build Up

Illustrated By: Kathleen Fu

Part of the nonfiction Orca Timeline series, with photographs and illustrations throughout. This book explores why and how people have constructed taller and taller buildings over the course of human history.