Rebecca Stefoff

Explores and explains how the Panama Canal was built. The book explores why the canal was built and describes the design stages and technologies used during construction. The book also describes the challenges builders faced while building the canal.

Tunnels allow people to cut through tall mountains or even travel deep underwater. Discover the engineering behind tunnels.

Animals communicate through a myriad of ways including body language and pheromones. This thoughtful book surrounding ethology and how animals communicate through smell, taste, sight, sound, and feel reveals the secrets and science behind animals. Elephants will show affection with each other by entwining their trunks. Kangaroos and rabbits thump their hind legs to warn others of impending danger. Explanative text by award-winning author Rebecca Stefoff...

Birds that are smarter than a fifth grader--smart enough to do math, that is. Chimps that use tools. These are just two examples of the amazing skills of the animals all around us. In this jovial book, award-winning author Rebecca Stefoff tells us not just that animals are intelligent, but explains how researchers have discovered how smart they are. Readers will learn the languages of chimps and the mental maps of birds as well as the disputes that...

Explores the mythical and historical backgrounds of giants, including such legendary giants as the one-eyed Cyclops Polyphemus, Kumbhakarna of Hindu mythology, and Xingtian of China, and discusses their role in popular culture.

"Explores various perspectives on the Space Race. The reader's choices reveal the historical details"-- "You are living in a time of change and progress. World War II is over, but the Cold War between the United States and its former ally, the Soviet Union, is on. Each country begins pouring resources into a battle for the most advanced space exploration technology. You are about to become a part of this exciting competition. Will you: Help the United...

Discover the life of Captain Kidd, the privateer-turned-pirate who is rumored to have buried a massive treasure near New England.

"An empowering, engaging young readers guide to understanding and battling climate change from the expert and bestselling author of This Changes Everything and On Fire, Naomi Klein. Warmer temperatures. Fires in the Amazon. Superstorms. These are just some of the effects of climate change that we are already experiencing. The good news is that we can all do something about it. A movement is already underway to combat not only the environmental effects...

Text and photographs introduce some of the 3600 kinds of starfish.