O'Reilly Media, Inc. · Plan Nine Publishing
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Even Grues Get Full: The Fourth User Friendly Collection | 978-0-596-00566-5 | 2003 | Illiad |
| The Root of All Evil | 978-0-596-00193-3 | 2001 | Illiad · Bob Herbstman |
| User Friendly | 978-1-56592-673-8 | 1999 | |
| User Friendly Version 1.0 | 978-1-929462-39-1 | 2002 | Illiad |