| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| 10 Minute Guide to Freelance Graphics for Windows 95 | 978-0-7897-0554-9 | 1995 | R. Michael O'Mara · Michael O'Mara | |
| Beautiful Patterns: Creative Coloring for Grown-Ups | 978-1-4351-5879-5 | 2015 | Michael O'Mara | |
| Classic Comic Coloring Book | 978-1-4351-6106-1 | 2015 | " | |
| Diana: A Tribute in Photographs | 978-0-312-18423-0 | 1997 | " | |
| Diana, Princess Of Wales 1961-1997: " A Tribute In Photographs " | 978-1-85479-327-0 | 1998 | Michael O'Mara · Martin Bristow | |
| Diana, Prinzessin von Wales - Königin der Herzen. Ihr Leben in Bildern 1961-1997. | 978-3-547-77287-6 | 1997 | Michael O'Mara · Marie-Luise von der Leyen · Toni Meissner | |
| Facts About the World's Nations | 978-0-8242-0955-1 | 1999 | Michael O'Mara | |
| Glorious Gardens, Creative Coloring for Grown-Ups | 978-1-4351-5880-1 | 2015 | " | |
| Linux in a Box For Dummies, | 978-0-7645-0714-4 | 2002 | Jon Hall · Nick Wells · Michael O'Mara | |
| Scandinavian Folk Patterns | 978-1-4351-6098-9 | 2015 | Michael O'Mara | |
| Special Edition Using Compuserve | 978-0-7897-0280-7 | 1995 | Nancy Stevenson · Michael O'Mara · Bill Kirkner | |
| Tattoo Designs Creative Coloring for Grown-Ups | 978-1-4351-5881-8 | 2015 | Michael O'Mara | |
| The World's Stupidest Graffiti | 978-1-85479-876-3 | 2002 | Michael O'Mara · Michael O'Mara Books UK | |
| The World's Stupidest Signs | 978-1-85479-555-7 | 2000 | Michael O'Mara | |
| Using DOS | 978-0-7897-0095-7 | 1995 | Gerry Routledge · Suzanne Weixel · Michael O'Mara | |
| Using Windows 3.11 | 978-0-7897-0324-8 | 1995 | Suzanne Weixel · Gerald R. Routledge · Michael O'Mara | |
| Using Windows Nt Workstation 3.51 | 978-0-7897-0685-0 | 1996 | Paul J. Sanna · Sean K. Daily · Guy Robinson Kirkland · John Enck · Sue Mosher · Kathy Ivens · Michael O'Mara · Kevin Jones | |
| Using Your PC | 978-0-7897-0637-9 | 1996 | Michael O'Mara · Gerald R. Routledge | |
| What Do You Doodle? | 978-0-545-22939-5 | 2015 | Michael O'Mara |
M M · M Mara · M. O. · Michael M. · Michael O'Mara Books · Michael O'Mara Books Ltd. · Michael O'Mara Books UK · O. M. · O'Mara · R. Michael O'Mara
Barnes & Noble · H. W. Wilson · John Wiley & Sons · Marion von Schröder Verlag · Michael O'Mara Books Ltd · Que Pub · Scholastic · St. Martin's Press