When Sienna Hegarty turns up at his family home one night, covered in blood and frozen in shock, psychologist Joe O'Loughlin finds himself drawn deep into her world, trying to unearth the dark secrets her mind has buried. The police find a major piece of the puzzle at Sienna’s house: her father, a retired cop, is face-down in a pool of his own blood, his throat slashed and his skull caved in. The blood covering Sienna was his.

When Piper and her friend Tash disappeared, there was a huge police search, but they were never found. Now Tash, reaching breaking point at the abuse their captor has inflicted on them, has escaped, promising to come back for Piper. Clinical psychologist Joe O'Loughlin and his stalwart companion, ex-cop Vincent Ruiz, force the police to re-open the case after Joe is called in to assess the possible killer of a couple in their own home and finds a connection to the missing girls.

Marnie Logan often feels like she's being watched. Nothing she can quite put her finger on - a whisper of breath on the back of her neck, or a shadow in the corner of her eye - and now her life is frozen. Her husband Daniel has been missing for more than a year. Depressed and increasingly desperate, she seeks the help of clinical psychologist Joe O'Loughlin. Joe is concerned by Marnie's reluctance to talk about the past, but then she discovers a book packed with pictures, interviews with friends, former teachers, old flames and workmates Daniel was preparing for her birthday.

Detective Inspector Vincent Ruiz is lucky to be alive. A bullet in the leg, another through the hand, he is discovered clinging to a buoy in the River Thames, losing blood and consciousness fast. It takes six days for him to come out of his coma, and when he does, his nightmare is only just beginning. Because Vincent has no recollection of what happened, and nobody believes him.

Childhood sweethearts William and Mary have been married for 60 years. William is a celebrated surgeon, Mary a devoted wife. Both have a strong sense of right and wrong. This is what their son, Joe O'Loughlin, has always believed. But when Joe is summoned to the hospital with news that his father has been brutally attacked, his world is turned upside down. Who is the strange woman crying at William's bedside, covered in his blood - a friend, a mistress, a fantasist or a killer? 

I close my eyes and feel my heart begin racing. Someone is coming. They're going to find me. A mother and her teenage daughter are found brutally murdered in a remote farmhouse, one defiled by multiple stab wounds and the other left lying like Sleeping Beauty waiting for her Prince.

In London, ex-cop Vincent Ruiz rescues a young woman from a violent boyfriend but wakes next morning to find that he’s been set up and robbed. As he tracks down the thieves, he discovers the boyfriend’s tortured body and learns that powerful men are looking for the girl. What did Holly Knight steal that is so important to them?

Evie Cormac was found at a murder scene six years ago, hiding in a secret room. She has never revealed her real name, why she was in that house, or what she saw. Forensic psychologist Cyrus Haven wants to help the traumatised teenager. He thinks unravelling Evie's secrets will free her from the past. But he has no idea what he's about to unleash....

Michael Robotham's Suspect, hailed as "a lightning-paced debut" by Entertainment Weekly, was an international best seller that raised the bar for thrillers. Now two characters from that acclaimed novel, Detective Vincent Ruiz and psychologist Joe O'Loughlin, return for the electrifying Lost. When Detective Ruiz is pulled from the Thames, he has a bullet in his leg, a photograph of a missing (and presumed dead) girl in his pocket, and absolutely no memory of what happened.

Six years ago, Evie Cormac was discovered, filthy and half starved, hiding in a secret room in the aftermath of a shocking crime. Now approaching adulthood, Evie is damaged and self-destructive and has never revealed her true identity. Forensic psychologist Cyrus Haven, a man haunted by his own past, is investigating the death of champion figure skater Jodie Sheehan. When Cyrus is called upon to assess Evie, she threatens to disrupt the case and destroy his ordered life.