Chris Eboch

Big or small? Full or empty? Heavy or light? Hot or cold? Things are measured everyday. Learn about the many tools needed for different kinds of measurements in science and at home.

Magnets are everywhere! This book uses real-world examples to bring the concept of magnets to life in an approachable way. Clearly-written text draws in readers with concrete examples involving familiar, everyday things, from earphones to compasses. The book covers the history of and key figures in the understanding of magnets, including André-Marie Ampère and Michael Faraday. Major concepts covered include magnetic force, natural magnets, permanent...

Discusses the history, social life, customs, and future of the Mayan people.

Thirteen-year-old Jon and his eleven-year-old sister, Tania, are typical kids, except for the fact that Tania can communicate with ghosts. Their mom and stepdad are producers of a ghost-hunter reality television show, but they have no idea that Tania possesses this ability, and Tania wants to keep it that way. While filming at an old hotel in Colorado, Jon and Tania find themselves trapped in a ghostly love story that happened more than a century...