| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2003 | 978-0-9728657-0-8 | Ruwan Rajapakse | Concise Mahavamsa |
| 2004 | 978-0-9728657-1-5 | P.e. Ruwan Rajapakse | Geotechnical Engineering, Pile Design and Construction Guide |
| 2008 | 978-0-9728657-3-9 | 4th Edition also available · Ruwan Rajapakse · CCE · AVS | Civil (PE) Professional Engineer Exam, Construction Module (First edition) |
| 2009 | 978-0-9728657-4-6 | Ruwan Rajapakse · PE · CCM · CCE · AVS | Civil PE Professional Engineer Exam Geotechninal Module |
| 2010 | 978-0-9728657-6-0 | Fourth Edition Available at Amazon · Ruwan Rajapakse · PE | Civil PE Professional Engineer exam Construction module,Third Edition |
| '' | 978-0-9728657-7-7 | Ruwan Rajapakse PE CCM CCE AVS | Civil PE Construction Module Practice Problems, (This is not the latest edition) |
| 2012 | 978-0-9728657-8-4 | PE · CCM · CCE · AVS · Ruwan Rajapakse | Four Sample Exams for the Civil PE Exam (NOT THE LATEST EDITION, SEARCH FOR SECOND EDITION) |