| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Codice Caravaggio | 978-88-541-3010-4 (88-541-3010-9) | 2011 |
| The Caravaggio Conspiracy | 978-1-84351-198-4 (1-84351-198-3) | 2012 |
| The Oxbridge Conspiracy: How the Ancient Universities have Kept Their Stranglehold On the Establishment | 978-0-7181-3748-9 (0-7181-3748-5) | 1994 |
Michael Joseph · Newton Compton Editori · The Lilliput Press Ltd