The Young Widow — Eleanor Elford Cameron

COMPARTMENT OF FEAR

A private first class compartment on a luxury train speeding westward over the continent seemed a dream out of another century to lovely Erin Walker. But this journey was all too real. Aboard the train was the corpse of Erin's late millionaire husband, found mysteriously dead. And as the miles flashed by, Erin realized a killer was stalking her, a handsome stranger offering her very dubious protection, and the train roaring into a tunnel of terror from which Erin might not emerge alive…