| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1997 | 978-0-9659432-0-8 | Mona Group | Cells & Genes for Windows & Macintosh |
| 1998 | 978-0-9659432-1-5 | William K. Purves · William Purves | Understand! Biology: Molecules, Cells & Genes (CD-ROM for Windows & Macintosh) |
| 2000 | 978-0-9659432-7-7 | Mary K. Campbell · Robert A. Lue · William Fixsen · William K. Purves | Understand!: Biochemistry: Interactive Learning, Version 1.1 |