Gravity Hills in the Urban Legends: Don't Read Alone! series explores the creepy legend of Gravity Hills--from history to speculation to scientific explanation. This book is written with a… More →

Many people are afraid of bats, but like every other living thing they play in important role in nature. Readers will learn about cave dwelling gray bats, how they became endangered, and how… More →

Gray squirrels are known for their bushy tails and hoarding habits. These North American natives were imported to parts of Europe and South Africa as pets, but quickly went from pets to… More →

Gray whales live in the Pacific Ocean and can grow to be 50 feet 15 meters) long. Readers will discover how whale hunters brought these huge mammals to near extinction and how people are… More →

At one time, the howling of gray wolves was a common sound throughout North America. Readers will learn more about these pack animals and what brought them to the edge of extinction. They… More →

This book takes readers on a journey under the sea to discover the fascinating facts about great white sharks, including physical features, habitat, life cycle, food, and more. Photos,… More →

Green architecture includes structures that use sustainable materials and energy sources. This book showcases fascinating green buildings--from houses and arenas to offices and museums--and… More →

Today, many general contractors specialize in environmentally-friendly construction methods. “Green” buildings use less energy and are often made with recycled materials. Readers will… More →