From the bestselling author of the acclaimed DCI Lambert series comes The Controller, a gripping serial killer thriller introducing Sam Lynch and Special Agent Sandra Rose. It is six years since special agent Samuel Lynch left the FBI following the disappearance of his son, Daniel. Lynch believes an underground organisation known as The Railroad is responsible and has never stopped searching. When Special Agent Sandra Rose investigates a house invasion gone wrong, she discovers the assailant has the legendary, and infamous, Railroad tattoo carved onto his back and he claims to know Daniel's whereabouts. Rose draws Lynch in to her case, and together they become embroiled in an unparalleled world of violence and evil. It seems that to see his son again, Lynch will have to confront his greatest fear and face the ultimate test: an encounter with the Railroad's enigmatic and deadly leader, The Controller. Praise for Matt Brolly: 'One word for this - riveting. Fast paced, full of twisty goodness, a well-drawn and intriguing main protagonist and a well-constructed and horrifically addictive storyline.' Liz Loves Books 'An extraordinary fast-paced, tense thriller, taking the reader on an suspense filled journey with so many twist and turns it is a stupendous, emotional roller coaster ride!'SplashesIntoBooks 'An action-filled, totally gripping, page turner!' Carol Wyer, author of Little Girl Lost 'Action packed, dramatic and addictive…an unputdownable read.' Portobello Book Blog