There are currently eleven books in the DI Andy Horton series, with the twelfth being published in Spring 2015. Like others in the Horton series, Undercurrent has received glowing reviews in the UK and America.
Library Journal in the USA said, "Those seeking an outstanding British police procedural will devour the ninth entry in Rowson’s sea-oriented series. Rowson’s plotting is deftly layered, and she successfully captures the mood of her protagonist’s tortured journey while creating abundant tension for the main plot of political intrigue."
The DI Andy Horton novels have been compared by reviewers with those in the "upper echelon of American procedurals by Ed McBain and Joseph Wambaugh and their British counterparts, including the work of Peter Robinson and John Harvey."
They have been hailed as "redefining the genre of the police drama” by setting it against the powerfully evocative backdrop of the ever changing sea in the Solent area on the South Coast of England. Her cops are tough yet fallible.
Undercurrent, the ninth in the DI Andy Horton series
Dr Douglas Spalding is found dead in Portsmouth’s Historic Dockyard, the Major Crime Team is adamant it is suicide. Detective Inspector Horton is not so sure. Then another body is found in similar circumstances and Horton is convinced they’re looking at murder; but not so his bosses. Angry and frustrated at the lack of investigation, Horton goes out on a limb to prove he’s right. Whichever way he turns, he finds the deaths have all the hallmarks of a cover up at the highest level, but who is behind it and why? Soon Horton begins to find disturbing similarities with his own private investigations into the disappearance of his mother thirty years ago. As he gets closer to the truth though someone is determined to prevent it from ever coming out, even if means death
Booklist says, "As usual, Rowson offers up a thorny, multifaceted plot; a profusion of unusual twists; a likable yet complex hero; and plenty of fast-paced, knuckle-biting action."
The DI Andy Horton crime series delivers a continuing narrative that includes compelling crimes, complex past history, a tough work environment, romantic entanglements and political intrigue and has attracted interest from film and television.