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Charlie Parker's latest case in THE BLACK ANGEL starts with the disappearance of a young woman in New York. His hunt turns into an epic quest and marks a dawning realisation in Parker that there is another dimension to his crusade, a dangerous dimension that affects his personal life. In THE UNQUIET, Daniel Clay, a once-respected psychiatrist, has been missing for years following revelations about harm done to the children in his care. As Parker's investigation progresses, he finds himself trapped between those who want the truth about Daniel Clay to be revealed, and those who want it to remain hidden at all costs. Angel and Louis take centre stage in THE REAPERS, where the elite killers themselves become targets. A wealthy recluse sends them north to a town that no longer exists on a map. There they find themselves trapped, isolated and at the mercy of a killer feared above all others: the assassin of assassins, Bliss. Thanks to Parker, help is on its way. THE LOVERS shows Parker engaged on his most personal case yet: an investigation into his own origins and the circumstances surrounding the death of his father.Parker's quest for that explanation reveals lies, secrets and betrayal.