A gripping action thriller about Assassin Eighteen, a trained killer who operates outside the rules. The second novel from John Brownlow, whose first book, Agent Seventeen, has now sold in 11 territories, with a film deal attached.

John Brownlow holds British/Canadian citizenship and lives two hours north of Toronto. He wrote the film Sylvia, starring Gwyneth Paltrow and Daniel Craig, the TV series Fleming about Ian Fleming's work as a spy and the genesis of James Bond, and the TV series The Miniaturist, adapted from Jessie Burton's best-selling novel. You can follow him on Twitter @johnbrownlow.