Share this Page Peter D. Riley 0 Total Resources 4 Books Books by Peter D. Riley 4 Sort by Number of Resources Number of Awards Book Title Year Published Word Count Reading Level: ATOS® Reading Level: Lexile® Add Multiple Titles to Reading List Browse books by Peter D. Riley Plant Life by Peter D. Riley 1 Resource Add to Reading List Share this Book Earth in Space by Peter D. Riley 1 Resource Add to Reading List Share this Book Electricity by Peter D. Riley 1 Resource Add to Reading List Share this Book Magnetism by Peter D. Riley 1 Resource Add to Reading List Share this Book Images courtesy of publishers, organizations, and sometimes their Twitter handles.