"America's best novelist" ( The Denver Post ) and "the reigning champ of nostalgia noir" ( The New York Times Book Review ) introduces his most evil character yet in the twentieth thriller in the bestselling Dave Robicheaux series. Louisiana Sherriff's Detective Dave Robicheaux and his longtime friend and partner Clete Purcel are vacationing in Montana's spectacular Big Sky country when a series of suspicious events leads them to believe their lives--and...