About Mark O'Neill

Mark is a 40-something Scotsman, now living the expatriate lifestyle in Würzburg, Germany. He is married to a beautiful German woman, and is part-owner to a gorgeous but crazy dog called Schlumpf.



Mark has been writing for 30 years, and is now an independently published fiction eBook author. In the past, he has also travelled around Europe, and worked in other industries such as the British Government, journalism, catering, tourism, banks, English teaching, and many others too numerous to count.



He is now writing the Department 89 books with Captain Sophie Decker, and a series of crime novels are planned. The first D89 book, The Renegade Spy was downloaded more than 4,000 times in the first 4 weeks. The second book in the series, The Reichsbank Gold, was released in October 2017. Plots have been outlined for up to 20 Department 89 novels. 

The first book, "The Renegade Spy" has received rave reviews, with one reviewer comparing Sophie Decker to the female version of Bruce Willis in the Die Hard movies. The third book in the series, The Executioner, is due out in December 2017.

Mark O'Neill’s Books

The Reichsbank Gold

THE PAST IS NOT FINISHED YET February 1945 : With the war nearly over, the Nazi regime moves their entire cash and gold reserves worth billions, from Berlin to the salt mines of Merkers. But some of the gold never makes it there, and it is never found again. September 2017 : A fierce national election campaign… [Read More]

The Renegade Spy

A Deadly Assassin Is After The German Chancellor – But The Assassin Is In Even More Danger Than He Realises. A page-turning debut novella in the tradition of Daniel Silva, Mark Dawson, and Robert Ludlum, The Renegade Spy is the story of a deadly and maverick female German Intelligence agent, tasked with saving the life of the German… [Read More]

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