Bibliography
- The Guinness Book of Classic British TV (1993: Guinness Publishing) cowritten with Paul Cornell and Martin Day ISBN 0-85112-543-3
- The Avengers Programme Guide (1994: Virgin Books) cowritten with Paul Cornell and Martin Day ISBN 0-86369-754-2
- The Doctor Who Discontinuity Guide (1995: Virgin Books) cowritten with Paul Cornell and Martin Day ISBN 0-426-20442-5
- The New Trek Programme Guide (1995: Virgin Books) cowritten with Paul Cornell and Martin Day ISBN 0-86369-922-7
- (Also published as Der Neue TREK Episoden-Führer (ISBN 3-8025-2400-4) in Germany by VGS Verlagsgescellschaft, Köln (1996))
- The Guinness Book of Classic British TV (1996: Guinness Publishing) cowritten with Paul Cornell and Martin Day ISBN 0-85112-628-6
- X-Treme Possibilities - A Paranoid Rummage Through The X-Files (1997: Virgin Books) cowritten with Paul Cornell and Martin Day ISBN 0-7535-0019-1
- Doctor Who: The Devil Goblins From Neptune (1997: BBC Books) cowritten with Martin Day ISBN 0-563-40564-3
- The Avengers Dossier (1998: Virgin Books) cowritten with Paul Cornell & Martin Day ISBN 0-86369-754-2
- Doctor Who: The Hollow Men (1998: BBC Books) cowritten with Martin Day ISBN 0-563-40582-1
- X-Treme Possibilities - A Comprehensively Expanded Rummage Through Five Years of The X-Files (1998: Virgin Books) cowritten with Paul Cornell and Martin Day ISBN 0-7535-0228-3
- Shut It! A Fan’s Guide to 70s Cops on the Box (1999: Virgin Books) cowritten with Martin Day ISBN 0-7535-0355-7.
- Slayer: The Totally Cool Unofficial Guide to Buffy (2000: Virgin Books) ISBN 0-7535-0475-8
- (Also published in France as Tueuse de Vampires: Le guide non officiel de Buffy by Editions Hors Collection, ISBN 2-258-05445-1 (2000))
- Hollywood Vampire: The Unofficial Guide to Angel (Nov 2000: Virgin Books) ISBN 0-7535-0531-2
- (Also published in France as Le Vampire D’Hollywood: Le guide non officiel de La Serie Angel by Editions Hors Collection, ISBN 2-258-05649-7 (2001))
- Doctor Who: The King of Terror (Nov 2000: BBC Books) ISBN 0-563-53802-3
- Slayer: The Revised and Updated Unofficial Guide to Buffy The Vampire Slayer (Mar 2001: Virgin Books) ISBN 0-7535-0553-3
- Doctor Who: Byzantium! (Jul 2001: BBC Books) ISBN 0-563-53836-8
- High Times: An Unofficial and Unauthorised Guide to Roswell (Oct 2001: Virgin Books) ISBN 0-7535-630-0
- (Also published in France as Roswell: Le Guide non officiel les 2 premières saisons by Editions Hors Collection, ISBN 2-258-05942-9 (2002))
- Hollywood Vampire: A Revised and Updated Unofficial and Unauthorised Guide to Angel (Dec 2001: Virgin Books) ISBN 0-7353-0601-7
- Slayer: An Expanded and Updated Unofficial and Unauthorised Guide to Buffy the Vampire Slayer (Feb 2002: Virgin Books) ISBN 0-7535-0631-9
- Inside Bartlet’s White House: An Unofficial and Unauthorised Guide to The West Wing (April 2002: Virgin Books) ISBN 0-7535-0612-2.
- Doctor Who: Ghost Ship (August 2002: Telos Publishing), ISBN Standard Hardback 1-903889-08-1. ISBN Deluxe Hardback 1-903889-09-X. ISBN Paperback 1-90-3889-32-4.
- Beyond the Gåte: An Unofficial and Unauthorised Guide to Stargate SG-1 (October 2002: Telos Publishing). ISBN 1-903889-50-2.
- Slayer The Next Generation: An Unofficial and Unauthorised Guide to Season Six of Buffy the Vampire Slayer (January 2003: Virgin Books) ISBN 0-7535-0738-2
- A Day in the Life: The Unofficial & Unauthorised Guide to 24 (April 2003: Telos Publishing) ISBN 1-903889-53-7
- The Complete Clash (September 2003: Reynolds & Hearn Publishing) ISBN 1-903111-70-6
- Hollywood Vampire: A Revised and Updated Unofficial and Unauthorised Guide to Angel (Jan 2004: Virgin Books) ISBN 0-7353-0807-9
- Inside Bartlet’s White House: An Unofficial and Unauthorised Guide to The West Wing – Revised and Updated (April 2004: Virgin Books) ISBN 0-7535-0828-1.
- Slayer: The Last Days of Sunnydale: An Unofficial and Unauthorised Guide to the Final Season of Buffy the Vampire Slayer (June 2004: Virgin Books) ISBN 0-7535-0844-3
- Slayer: A totally awesome collection of Buffy trivia (August 2004: Virgin Books) ISBN 0-7535-0985-7
- The Complete Slayer: An Unofficial; and Unauthorised Guide to Every Episode of Buffy the Vampire Slayer (November 2004: Virgin Books) ISBN 0-7535-0931-8
- A Vault of Horror: A Book of 80 Great (and not-so-great) British Horror Movies 1956-1974 (Telos Publishing: October 2004) ISBN 1-903889-58-8
- The Discontinuity Guide: The Unofficial Doctor Who Companion (MonkeyBrain Publishing: October 2004) co-written with Paul Cornell and Martin Day ISBN 1-932265-09-0
- Hollywood Vampire: The Apocalypse - An Unofficial and Unauthorised Guide to the Final Season of Angel (Virgin Books: January 2005) ISBN 0-7535-1000-6
- Do You Want to Know a Secret?: A Fab Anthology of Beatles Facts (Virgin Books: July 2005) ISBN 0-7535-1041-3
- Hollywood Vampire: A Totally Awesome Collection of Angel Trivia (Virgin Books: August 2005) co-written with Deborah Williams. ISBN 0-7535-1007-3
- Triqueta: The Unauthorised and Unofficial Guide to the Hit TV Series Charmed (Telos Publishing: Feb 2006) ISBN 1-84583-002-4
Read more about this topic: Keith Topping