Graham Ison Books in Order

Graham Ison is a seasoned British intelligence expert with a distinguished thirty-year career in Scotland Yard's Special Branch. He has played a pivotal role in several high-stakes espionage cases, including the investigation into the notorious spy George Blake's daring escape. A seasoned security professional, Ison has also spent four formative years at 10 Downing Street, serving as Protection Officer to two successive Prime Ministers. Additionally, he has held the esteemed position of second-in-command of the Diplomatic Protection Group, where he has leveraged his expertise to safeguard the UK's highest-ranking officials and dignitaries. With a wealth of experience in counter-intelligence and security operations, Ison's remarkable career has spanned the most sensitive and critical aspects of British law enforcement and national security.

Bibliography verified: January 2026

Book Series by Graham Ison

  • #1
    Confirm or Deny(1989)
    Amazon
  • #2
    The Home Secretary Will See You Now(1989)
    Amazon
  • #3
    A Damned Serious Business(1990)
    Amazon
  • #4
    The Cold Light of Dawn(1990)
    Amazon
  • #1
    Hardcastle's Spy(2004)
    Amazon
  • #2
    Hardcastle's Armistice(2005)
    Amazon
  • #3
    Hardcastle's Conspiracy(2005)
    Amazon
  • #4
    Hardcastle's Airmen(2006)
    Amazon
  • #5
    Hardcastle's Actress(2007)
    Amazon
  • #6
    Hardcastle's Burglar(2008)
    Amazon
  • #7
    Hardcastle's Mandarin(2009)
    Amazon
  • #8
    Hardcastle's Soldiers(2010)
    Amazon
  • #9
    Hardcastle's Obsession(2011)
    Amazon
  • #10
    Hardcastle's Frustration(2012)
    Amazon
  • #11
    Hardcastle's Traitors(2013)
    Amazon
  • #12
    Hardcastle's Quartet(2014)
    Amazon
  • #13
    Hardcastle's Collector(2016)
    Amazon
  • #14
    Hardcastle's Runaway(2017)
    Amazon
  • #15
    Hardcastle's Quandary(2019)
    Amazon
  • #16
    Hardcastle's Secret Agent(2021)
    Amazon
  • #1
    Lead Me to the Slaughter(1990)
    Amazon
  • #2
    The Laundry Man(1991)
    Amazon
  • #3
    Tomfoolery(1992)
    Amazon
  • #4
    Snowdrop(1992)
    Amazon
  • #5
    The Taming of Tango Harris(1993)
    Amazon
  • #6
    Underneath the Arches(1994)
    Amazon
  • #7
    Rough Diamonds(1995)
    Amazon

About Graham Ison

Graham Ison is a seasoned British intelligence expert with a distinguished thirty-year career in Scotland Yard's Special Branch. He has played a pivotal role in several high-stakes espionage cases, including the investigation into the notorious spy George Blake's daring escape. A seasoned security professional, Ison has also spent four formative years at 10 Downing Street, serving as Protection Officer to two successive Prime Ministers. Additionally, he has held the esteemed position of second-in-command of the Diplomatic Protection Group, where he has leveraged his expertise to safeguard the UK's highest-ranking officials and dignitaries. With a wealth of experience in counter-intelligence and security operations, Ison's remarkable career has spanned the most sensitive and critical aspects of British law enforcement and national security.

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