| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Songiri ka hoyu ka o kimeru saidai gyakkohaba nyumon: Toredingu no sonshitsu o saishoka suru risuku kanriho. | 978-4-7759-7166-6 (4-7759-7166-2) | 2012 | John Sweeney · Shintaro Nagao |
| Wan guddo toredo: Shinpuruna senryaku ni sairyo o kamishite ikinokore. | 978-4-7759-7155-0 (4-7759-7155-7) | 2011 | Mike Bellafiore · Shintaro Nagao |