| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Ghosts of Delaware | 978-0-7643-4139-7 | 2012 | Mark Sarro |
| Mid-Atlantic UFOs: High Traffic Area | 978-0-7643-4507-4 | 2013 | |
| New Jersey UFOs | 978-0-7643-4622-4 | 2014 | |
| UFOs Above PA | 978-0-7643-4292-9 | 2013 | Mark Sarro |