Share this Page Stephen Wunderli 1 Total Resources 1 Books Books by Stephen Wunderli 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 Stephen Wunderli Little Boo by Stephen Wunderli and Tim Zeltner 3 Resources Add to Reading List Share this Book Images courtesy of publishers, organizations, and sometimes their Twitter handles.