G. C. · L. C. · L.G. · Leonard G.
| title | ISBN-13 | year of publication |
|---|---|---|
| The A.T. Factor Advanced Time - Piece For A Jigsaw Part 3 | 978-0-932813-92-3 | 2015 |
| The Cosmic Matrix: Piece of a Jig-Saw | 978-0-932813-64-0 | 1999 |
| UFOs and Anti-Gravity | 978-1-939149-56-5 | 2016 |
| UFOs and Anti-Gravity: Piece for a Jig-Saw | 978-0-932813-43-5 | 1997 |