Jeff Gulvin (J.M. Gulvin)
1962-
Pseudonym: Adam Armstrong
 

Jeff Gulvin was born in the Black Country, West Midlands. He has travelled extensively and lived in the USA and New Zealand. He and his wife divide their time between the Black Mountains, Wales and the Rockies in North America. He also wrote under the pseudonym 'Adam Armstrong'. He is the creator of:
1. 'Aden Vanner', a Detective Inspector of the drug squad in London.
2. 'John Q Mystery' series featuring Texas Ranger John Quarrie (as 'J.M. Gulvin').
3. 'Swann & Harrison Thriller' series featuring Scotland Yard anti-terrorism expert Jack Swann and FBI Special Agent Johnny Harrison.
 

Titles and year of publication:  

'Aden Vanner' Novels
 1) Sleep No More  1996
 2) Sorted  1996
 3) Close Quarters  1997
'John Q Mystery' Novels (as 'J.M. Gulvin')
 1) The Long Count  2017
 2) The Contract  2018
 3) Red Devil Drive  2018
'Swann & Harrison Thriller' Novels
 1) Storm Crow  1998
 2) Nom de Guerre  1999
 3) The Covenant  2000
Other Novels
 1) The Procession (features FBI Special Agent Johnny Harrison)  2002
 2) The Dividing  2013
As 'Adam Armstrong'
 1) Cry of the Panther  2000
 2) Song of the Sound  2001

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