Share this Page Mark O'Shea 0 Total Resources 1 Books Books by Mark O'Shea 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 Mark O'Shea Boas and Pythons of the World by Mark O'Shea 1 Resource Add to Reading List Share this Book Images courtesy of publishers, organizations, and sometimes their Twitter handles.