Share this Page David F. Marx 0 Total Resources 1 Books Books by David F. Marx 1 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 David F. Marx Turn It Off! by David F. Marx and Jeff Shelly 2 Resources Add to Reading List Share this Book Images courtesy of publishers, organizations, and sometimes their Twitter handles.