| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Magi: The Quest for the Secret Tradition | 978-0-7475-3100-5 | 1997 | |
| Orion Mystery: Unlocking the Secrets of the Pyramids | 978-0-434-00074-6 | 1994 | Robert Bauval |
| The Cosmic Wisdom Beyond Astrology: Towards a New Gnosis of the Stars | 978-1-873616-00-0 | 1991 | |
| The Holy Kingdom: Quest for the Real King Arthur | 978-0-552-14489-6 | 1999 | etc. · Alan Wilson · Baram Blackett |
| The Mayan Prophecies: Unlocking the Secrets of a Lost Civilisation | 978-1-85230-888-9 | 1996 | Maurice M. Cotterell |
| The Mayan Prophecies: Unlocking the Secrets of a Lost Civilization | 978-1-85230-906-0 | 2000 | " |
| The Orion Mystery: Unlocking the Secrets of the Pyramids | 978-0-7493-1744-7 | 1995 | Robert Bauval |
| World War I | 978-0-7496-5178-7 | 2004 | |
A.G. · A Gilbert · Adrian G. Gilbert · Adrian Gilbert · g G · G. Gilbert · Geoffrey G · Geoffrey Gilbert
Bloomsbury Publishing PLC · Corgi · Element Books · Franklin Watts · Random House · Solos Press (UK) · William Heinemann Ltd