The engaging Earth's Energy Innovations series introduces aspiring engineers and scientists to eight important energy resources. Readers will also learn about important scientists and inventors who improved our use of Earth's energy. Compelling photographs and easy-to-read text show how Earth's energy powers the world. A quiz is included at the end of each book. Aligned to Common Core Standards and correlated to state standards. Applied to STEM Concepts of Learning Principles. Super Sandcastle is an imprint of Abdo Publishing, a division of ABDO.