Share this Page Erna Michalow 0 Total Resources 1 Books Books by Erna Michalow 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 Erna Michalow Whose Trees Are These? by Erna Michalow 2 Resources Add to Reading List Share this Book Images courtesy of publishers, organizations, and sometimes their Twitter handles.