Book 1

Jan 1, 2002
Japanese
Paperback

9 Puzzle, Band 1

by Mayu Sakai
Jul 22, 2009
German
Paperback (192 pages)

Nine Puzzle Vol. 1

by Mayu Sakai
Oct 1, 2005
Indonesian
Paperback

Book 2

Oct 1, 2005
Japanese
Paperback

9 Puzzle, Band 2

by Mayu Sakai, Ao Yamada
Sep 21, 2009
German
Paperback (208 pages)