| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Famous Americans in History | Audio CD | 978-962-634-258-9 | 2002 | |
| Famous Americans in History | Audio Cassette | 978-962-634-758-4 | 2002 | |
| Judo | Library Binding | 978-0-8368-4192-3 | 2004 | Bob Willingham |
| Martial Arts: Pack A | Paperback | 978-1-84421-700-7 | 2004 | David Amerland · Harry Cook · Bob Willingham · Klaus Nonnemacher |
Gareth Stevens Pub · Naxos Audio Books · Raintree