J R ยท J. Roberts
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Clue Bible: The Fully Authorised History of 'I'm Sorry I Haven't A Clue', from Footlights to Mornington Crescent | 978-1-84809-130-6 (1-84809-130-3) | 2009 |
| The Fully Authorised History of I'm Sorry I Haven't A Clue: The Clue Bible from Footlights to Mornington Crescent | 978-1-84809-132-0 (1-84809-132-X) | 2010 |