Devil Within, Vol. 1 by Ryo Takagi Paperback, 200 Pages, Published 2007 by Go!Comi ISBN-13: 978-1-933617-22-0, ISBN: 1-933617-22-5
China Watching(1st Edition) Perspectives from Europe, Japan and the United States (Routledge Contemporary China Series) by David Shambaugh, Seiichiro Takagi, Robert F. Ash, Robert Ash Paperback, 272 Pages, Published 2006 by Routledge ISBN-13: 978-0-415-41397-8, ISBN: 0-415-41397-4
The Devil Within Vol. 1 (v. 1) by Ryo Takagi Paperback, 200 Pages, Published 2007 by Go! Comi ISBN-13: 978-1-933617-44-2, ISBN: 1-933617-44-6
Origami for Playtime(1st Edition) by Satoshi Takagi Paperback, 158 Pages, Published 2004 by Japan Publications Trading ISBN-13: 978-4-88996-131-7, ISBN: 4-88996-131-3
ドキュメント 戦争広告代理店 by Tooru Takagi Paperback, 405 Pages, Published 2005 by Kodansha ISBN-13: 978-4-06-275096-7, ISBN: 4-06-275096-1
The Best of Tofu(1st Edition) by Junko Takagi Paperback, 112 Pages, Published 2004 by Japan Publications Trading ISBN-13: 978-4-88996-172-0, ISBN: 4-88996-172-0