From Zero!

year of pub­li­ca­ti­onISBNauthor(s)title
2006978-0-9769981-1-2George Trombley · Yukari TakenakaJapanese from Zero! 2: Proven Techniques to Learn Japanese for Students and Professionals (Japanese Edition)
  ''978-0-9769981-2-9George Trombley · Yukari TakenakaJapanese from Zero! 1: Proven Techniques to Learn Japanese for Students and Professionals (Volume 1)
  ''978-0-9769981-3-6   ''Japanese From Zero! 3: Proven Techniques to Learn Japanese for Students and Professionals (Volume 3)
2011978-0-9769981-7-4   ''Hiragana From Zero!: The Complete Japanese Hiragana Book, with integrated Workbook and answer key (Japanese From Zero!) (Volume 1)
2012978-0-9769981-8-1   ''Katakana From Zero!: The Complete Japanese Katakana Book, with integrated Workbook and answer key (Japanese From Zero!) (Volume 2)