Doctor Who: Creatures and Demons is a book written by Justin Richards which has information on creatures from the Doctor's past, including the following:
- The Abzorbaloff
- The Alien Ambassadors
- The Army of Ghosts
- The Carrionites
- The Celestial Toymaker
- The Cult of Skaro
- The Destroyer
- The Empress of the Racnoss
- The Giant Maggots
- The Impossible Planet
- The Isolus
- The Judoon and their prey
- The Krynoid
- The Land of Fiction
- The Macra
- The Ogri
- The Ogrons and Draconians
- The Quarks
- Sharaz Jek
- The Vervoids
- The War Machines and WOTAN
- The Wire
- The Wirrn
This book is also the third in the series, with the first two being Doctor Who: Monsters and Villains and Doctor Who: Aliens and Enemies.