Daiki Kusuya (Kusuya, Daiki)

• 
  Kanji Starter
  by Daiki Kusuya
  Hardcover, Taylor & Francis Group, ISBN 4925080482 (4-925080-48-2)
• 
  Kanji Starter 1
  by Daiki Kusuya
  Softcover, Stone Bridge Pr, ISBN 1933330147 (1-933330-14-7)
• 
  Kanji Starter 2
  by Daiki Kusuya
  Softcover, Stone Bridge Pr, ISBN 1933330155 (1-933330-15-5)