| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1995 | 978-0-9644345-0-9 | Lawrence M. Schoen · Gennie Summers | A Pictorial Guide to the Verbal Suffixes of Tlhingan Hol |
| 978-0-9644345-1-6 | Hamlet, Prince of Denmark: The Restored Klingon Version | ||
| 2008 | 978-0-9644345-2-3 | Agnieska Solska | Tao Te Ching |
| '' | 978-0-9644345-3-0 | '' | Tao Te Ching (English with Klingon Translation) |
| '' | 978-0-9644345-5-4 | Agnieszka Solska | Tao Te Ching |