An account of Geoffrey's outlaw actions and the taking of the Ramsey Abbey provides for elements of the backstory for two of Ellis Peters' "Brother Cadfael" books, The Potter's Field and The Holy Thief.
Clinton appears as a character in Ellis Peter's novel The Heretic's Apprentice in the Brother Cadfael Series and in a smaller role in the final novel of the series, Brother Cadfael's Penance.
The Chronicles of Narnia: The Lion, the Witch and the Wardrobe | The Chronicles of Narnia | Brother Cadfael | Robotech: The Shadow Chronicles | The Young Indiana Jones Chronicles | The Chronicles of Narnia (TV serial) | The Chronicles of Narnia: Prince Caspian | Terminator: The Sarah Connor Chronicles | The Chronicles of Narnia: The Voyage of the Dawn Treader | The Cadfael Chronicles | Cadfael | The Vampire Chronicles | The Chronicles of Riddick | Psi Factor: Chronicles of the Paranormal | Holinshed's Chronicles | The Martian Chronicles | The Chronicles of Narnia (film series) | Interview with the Vampire: The Vampire Chronicles | Chronicles: Volume One | Brother Cadfael's Penance | The Edge Chronicles | The Chronicles of Prydain | Lymond Chronicles | Computer Chronicles | Bionicle Chronicles | The Wardstone Chronicles | The Spiderwick Chronicles | The Chronicles of Spellborn | The Chronicles of Riddick: Escape from Butcher Bay | The Batman Chronicles |
The "Cadfael" series eventually extended to thirteen 75-minute episodes, all of which starred Sir Derek Jacobi as the sleuthing monk.