M. H. · Michael H. · Michael J. Hammel
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Artist's Guide to GIMP, 2nd Edition: Creative Techniques for Photographers, Artists, and Designers | 978-1-59327-414-6 (1-59327-414-9) | 2012 |
| The Artist's Guide to GIMP Effects | 978-1-59327-121-3 (1-59327-121-2) | 2007 |