Share this Page Alexander Key 1 Total Resources 2 Books Books by Alexander Key 2 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 Alexander Key Escape to Witch Mountain by Alexander Key 3 Resources Add to Reading List Share this Book The Forgotten Door by Alexander Key 1 Resource Add to Reading List Share this Book Images courtesy of publishers, organizations, and sometimes their Twitter handles.