Stefoff, Rebecca

Explores various perspectives on the Space Race when the reader's choices reveal the historical details.

Investigates the history of the idea of the four prime elements--earth, water, air, fire--and discusses how they led to the modern understanding of the periodic table of elements.

"This title explores and explains how the Panama Canal was built. The canal's construction is described in terms of the engineering process"--Provided by the publisher.

This book provides comprehensive information on land management, its importance, and the environmental threats placed upon it.

"John Brown and his violent attacks on slavery have been romanticized through the years. Find out about the man behind the myth and learn about his contribution to the abolitionist movement. The book is complete with timeline, primary sources, photographs, and excerpts from the time period"--Provided by the publisher.

"Through centuries of storytelling, giants have evolved into monstrous fairy tale creatures with unique powers. This book explores many stories about giants and discusses their place in history as well as in today's society"--Provided by the publisher.

Polar Bears are the largest bears on Earth. Learn about their history, behavior, life cycle, and the conservation efforts that are being done to protect these arctic hunters.

Examines the history of both alternative and scientific medicine, discussing the strengths and weaknesses of each.

Details how scientists discovered that the Earth revolves around the Sun and discusses Earth's place in the universe.