In Camera, young readers will learn all about the camera through the years, from metal plates to film cameras to digital cameras and memory cards. Beautiful design, fascinating photographs, and simple text introduce new readers to the famous invention. Aligned to Common Core standards and correlated to state standards. Applied to STEM Concepts of Learning Principles. Sandcastle is an imprint of Abdo Publishing, a division of ABDO.

In Telephone, young readers will learn all about the history of the telephone, from using operators to dial phones to smartphones. Beautiful design, fascinating photographs, and simple text introduce new readers to the famous invention. Aligned to Common Core standards and correlated to state standards. Applied to STEM Concepts of Learning Principles. Sandcastle is an imprint of Abdo Publishing, a division of ABDO.

In Telegraph, young readers will learn all about telegraph communication from semaphore flags to Morse code to telegrams. Beautiful design, fascinating photographs, and simple text introduce new readers to the famous invention. Aligned to Common Core standards and correlated to state standards. Applied to STEM Concepts of Learning Principles. Sandcastle is an imprint of Abdo Publishing, a division of ABDO.