Missing persons investigator David Raker's race to find a man who disappeared during his morning commute--book three of Tim Weaver's international bestselling mystery series For millions of Londoners, the morning of December 17 is just like any other. But not for Sam Wren. An hour after leaving home, he gets onto a tube train--and never gets off again. No eyewitnesses. No trace of him on security cameras. Six months later, he's still missing. Out...