The Shadow at the Door by Tim Weaver

THE GRIPPING BRANDNEW COLLECTION FROM THE SUNDAY TIMES BESTSELLING AUTHOR DAVID RAKER IS BACK . . . FOUR MYSTERIES Its a night just like any other in the Conister home but then Paul heads upstairs and never comes back. When his wife Maggie goes to see where he is she cant find him. His phone and wallet are by the bed. The windows are locked from the inside. Paul has vanished. FOUR STORIES Missing persons investigator David Raker is an expert in locating the lost. So when hes hired by Maggie Hardback