Serial Killer Sudoku A Katie Mcdonald Mystery.

In this new installment of the popular, puzzle-based series, Kate has settled into her new life running the Avondale Puzzle Museum in Granville, New Hampshire. The locals have begun to accept her presence—until a serial killer from Boston starts making his way north up I-93. At the same time a former partner of Police Chief Brandon's shows up with information about the killer who has just struck Granville and put the Police Chief out of co...