Author Information
Helen Mulgray Morna's Latest Book

Newest Release

  • Bibliography:
    9 Books (1 Series)
  • First Book:
    August 2007
  • Latest Book:
    March 2021
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Full Series List in Order

The Mulgray Twins

No Suspicious Circumstances (Aug-2007)
Under Suspicion (Apr-2008)

Book List in Order: 9 titles



  • It can be tough being an undercover revenue officer, but DJ Smith has a little help from her trained sniffer cat Gorgonzola, a moth-eaten Persian with gourmet tastes.This first investigation finds DJ and Gorgonzola on the trail of a heroin smuggling ...



  • When a Customs and Revenues Officer on the brink of exposing a huge money-laundering outfit is murdered in Tenerife, there is only one team capable of ensuring Operation Canary Creeper s continuance and success. DJ Smith must use all of her cunning a...



  • It can be tough working undercover for HM Revenue & Customs, but DJ Smith has more than a little help from her trained sniffer cat, Gorgonzola, a moth-eaten Persian with gourmet tastes and a mind of her own.
    This first investigation finds DJ and...



  • Death and danger stalk undercover investigator DJ Smith when she is seconded to the Portuguese Drug Enforcement Agency on Madeira, island of orchids and flamboyant bird of paradise flowers.

    After Luis Gomes' body is found floating in Funcha...



  • Act It Out's historic re-enactments from the life of Mary Queen of Scots are not all that they seem. Sites closely associated with that tragic queen are a cover for the distribution of drugs in central Scotland. Revenue & Customs undercover agent DJ ...



  • Murder witnessed on a webcam at the Seabird Centre near Edinburgh alerts DJ Smith, undercover agent for government tax inspectors, that a ruthless drug baron has returned to Scotland.

    Never one to stick to orders, she swaps the undercover r...



  • Edinburgh, and the island of Islay, world famous for its Scotch whisky distilleries, is the setting of the third assignment for DJ Smith, agent for HM Revenue & Customs, and her “sniffer” cat, Gorgonzola.

    The girlfriend of Louis Moran h...



  • Mary Queen of Scots’ fascinating life is cover for actors to distribute drugs in Central Scotland. Revenue & Customs undercover agent D J Smith and her sniffer cat Gorgonzola join one of the tours of places closely associated with that tragic qu...



  • Within a short time of her arrival at The Creative Arts Centre, a front for the distribution throughout the UK of drugs financed by the proceeds of smuggled tobacco, DJ makes a grim discovery - the body of the undercover HMRC agent. What blew his cov...





Frequently Asked Questions (FAQ)

Helen Mulgray Morna has published 9 books.

Helen Mulgray Morna does not have a new book coming out soon. The latest book, Suspicious Activities in Plain View, was published in March 2021.

The first book by Helen Mulgray Morna, No Suspicious Circumstances, was published in August 2007.

Yes. Helen Mulgray Morna has 1 series.