Magic Tree House #22: Revolutionary War on Wednesday (A Stepping Stone Book(TM)) / 400冊目
「Magic Tree House #23: Twister on Tuesday (A Stepping Stone Book(TM)) / 401冊目」
「Magic Tree House #21: Civil War on Sunday (A Stepping Stone Book(TM)) / 399冊目」
「Magic Tree House #23: Twister on Tuesday (A Stepping Stone Book(TM)) / 401冊目」
「Magic Tree House #21: Civil War on Sunday (A Stepping Stone Book(TM)) / 399冊目」