8 books in series

Sword Art Online

Sword Art Online is a 8-book series with 8 released primary works first released in 2009 with contributions by Reki Kawahara.

Sword Art Online 3 :Fairy Dance
Sword Art Online 7: Mother's Rosario
Sword Art Online 10: Alicization Running
Sword Art Online 14: Alicization Uniting
Sword Art Online, Vol. 19: Moon Cradle
Sword Art Online, Vol. 20: Moon Cradle
Sword Art Online, Vol. 25: Unital Ring IV
ソードアート・オンライン28 ユナイタル・リングVII