A gripping psychological thriller from the Booker Prize-winning and bestselling author ofThe Luminaries. Five years ago, Mira Bunting founded a guerrilla gardening group: Birnam Wood. An undeclared, unregulated, sometimes-criminal, sometimes-philanthropic gathering of friends, this activist collective plants crops wherever no one will notice, on the sides of roads, in forgotten parks, and neglected backyards. For years, the group has struggled to break even. Then Mira stumbles on an answer, a w ...