95 books • 18 series
The Art History Study Guide
The Encyclopedia of the World's Greatest Unsolved Mysteries
Will You Survive After Death?
Ghostwatching
Spirit within Her
Gifts of the Gods?
The Encyclopedia of Ghosts and Spirits
The Paranormal
Doing Good - Doing Better?
UFOs
The UFO Encyclopedia
How to Get the Most Out of Your Accountant
Charley Gets the Picture
Kau
Case for Charley
On Spas
Questions of Motoring Law
Echoes of Terror
Playmaths
Snooker (Teach Yourself)
Electronic Lullaby Meat Market
Spencer on Snooker
Drugs with Possible Ocular Side Effects