The Puzzle Lady vs. The Sudoku Lady — Parnell Hall

MAY THE BEST CRIME SOLVER WIN!

Cora Felton's peaceful Connecticut town is in an uproar. The "Puzzle Lady's" biggest rival has come all the way from Japan to challenge her in puzzle-to-puzzle combat. And when a local resident is found dead, the battle is on to see who can crack the case first, Cora or Minami.

The discovery of another body just adds fuel to the fire, especially when a Sudoku puzzle is found next to the corpse. The police think the puzzle points to their visitor in the silk kimono as the prime suspect. Convinced Minami is being framed, Cora resolves to smoke out the real culprit and prove the other woman's innocence. But nothing's adding up -- except the bodies -- in this murder-by-the-numbers case, and the killer is getting ready to eliminate the competition…