Mary Roach meets C.S.I. in this "lively study that's part whodunit, part sociological study...The result is eminently entertaining and will be devoured by armchair detectives" (Publishers Weekly).

Currently, upwards of forty thousand people in America are dead and unaccounted for. These murder, suicide, and accident victims, separated from their names, are being adopted by the bizarre online world of amateur sleuths. It's DIY CSI, solving cold cases from the comfort of your living room...

In an "absorbing look at a very odd corner of our world" (The Seattle...