| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2001 | 978-0-9713402-0-6 | Philippe Faucon | Encyclopedia of Cacti and Succulents CD-ROM |
| '' | 978-0-9713402-2-0 | Philippe Faucon | Encyclopedia of Landscape Plants for the Southwest |
| 2002 | 978-0-9713402-3-7 | '' | Encyclopedia of Cacti and Succulents |