ALEXANDER BRASS MYSTERY SERIES
Too Soon Dead ........................................... 1997
The Girls in the High-heeled Shoes ...................... 1998
LORD DARCY SERIES
Ten Little Wizards ...................................... 1988
A Study in Sorcery ...................................... 1989
PROFESSOR MORIARTY MYSTERY SERIES
The Infernal Device ..................................... 1979
Death by Gaslight ....................................... 1982
The Great Game .......................................... 2001
The Infernal Device and Others .......................... 2001
The Empress of India .................................... 2006
MISSION SERIES
Third Force ....................... 1967
Tank War .......................... 1968
Police Action ..................... 1969
ANTHOLOGIES EDITED
MY SHERLOCK HOLMES: UNTOLD STORIES OF THE GREAT DETECTIVE ................. 2003
SHERLOCK HOLMES: THE HIDDEN YEARS ............................. 2004
ANTHOLOGIES CONTRIBUTED TO
"In the Blood" - SISTERS OF THE NIGHT ................... 1995
NON-FICTION
The Spymaster's Handbook ................................ 1988
Encyclopedia of Horrifica (with Lydia C Marano) ......... 1992
A Gallery of Rogues: Portraits In True Crime ............ 1993
How To Solve A Murder ................................... 1995
How To Try A Murder: The Handbook for Armchair Lawyers ..................... 1997
The Complete Idiot's Guide To Improving Your Memory (with Richard Lupoff) ............... 1999
The Complete Idiot's Guide To Extraterrestrial Intelligence ................ 1999
Complete Idiot's Guide To Unsolved Mysteries ............ 2000
Encyclopedia of World Espionage ......................... 2000
WRITING AS JENNIFER PLUM
The Secret of Benjamin Square ........................... 1972