THE RAT ISLAND MURDERS a gripping crime thriller full of twists

Five skeletons are unearthed on Rat Island, an uninhabited island owned by the Ministry of Defence. Among them are the remains of a woman dubbed 'Quintessa' by the detectives, who was murdered sometime in the 1980s. Then Horton receives a mysterious phone call from Adele Goldsby, the daughter of a Portsmouth politician who died in suspicious circumstances. She says she has something important she wants to tell Horton and that they must meet on the Wightlink ferry - urgently. But Adele doesn't show up. She is nowhere to be found. What was she going to tell him? Horton suspects the Goldsby and Quintessa cases are somehow linked. Now all he has to do is convince his bosses . . .