O. M. · O'Mara · T. M · Tim Mara
Severn House Publishers Ltd · St. Martin's Press
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Crooked Numbers | 978-1-250-00900-5 | 2013 | Tim O'Mara |
| Dead Red | 978-1-250-05863-8 | 2015 | " |
| Sacrifice Fly | 978-1-250-00898-5 | 2012 | " |
| The Hook | 978-0-7278-8918-8 | 2019 | " |