6-Book SetHow hot is the sun? Why do comets have tails? How do scientists study asteroids? This new series for ages six and up invites young explorers on an adventure Across the Universe to discover the wonders of the cosmos and how they relate to life on Earth. Simple text set within a technology themed design encourages curious minds to make observations and comparisons, while a hands on activity in each book provides further exploration of a scientific

Professional football is the number-one spectator sport in America

a comparative pictorial diagram sets the machine or vehicle against other objects or animals to illustrate its relative size and proportions

No matter where he is on the page

covering their EMTs

including a brief history since the team's 1900 founding

where she encounters chickens and mice

An in-depth survey of autonomous vehicles

A boy who turns the tables on a pair of kidnappers in a most unexpected way

ISBN 978-1-60818-865-9

An in-depth survey of the popular extreme sport of bicycle motocross

Part of the Odysseys in Technology series

ISBN 978-1-60818-725-6