| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Drug Bust CD-ROM | 978-0-13-045683-0 (0-13-045683-7) | 1993 | Hugh Gibbons |
| Drug Bust, CD-ROM with Workbook, Version 3.0 | 978-0-13-754748-7 (0-13-754748-X) | 1998 | " |
| Murder One, CD-ROM with Workbook, Version 3.0 | 978-0-13-864026-2 (0-13-864026-2) | 1997 | " |