| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2009 | 978-0-9823436-0-9 | Russell Bowen | Bowen Ehs Book Of CSP Exam Practice Problems: 51 Questions (Volume 1) |
| '' | 978-0-9823436-1-6 | Russell Bowen | Bowen Ehs Book Of Cih Exam Practice Problems: 50 Questions (Volume 1) |
| '' | 978-0-9823436-3-0 | '' | Bowen EHS Book of CIH Exam Practice Problems: 50 Questions (Volume 3) |
| '' | 978-0-9823436-4-7 | '' | Bowen EHS Book of CSP Exam Practice Problems: 50 Questions (Volume 3) |
| 2010 | 978-0-9823436-6-1 | '' | Bowen EHS Book of CSP Exam Practice Problems: 50 Questions |
| 2011 | 978-0-9823436-8-5 | '' | Bowen EHS Book of CSP Exam Practice Problems: 50 Questions |