Arsenic and old puzzles

When an elderly boarder at a Bakerhaven bed-and-breakfast drops dead during afternoon tea, there's nothing particularly suspicious about it--except for the Sudoku in his jacket pocket. But when a second body turns up in the window seat and an autopsy shows both men were poisoned with elderberry...

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Bibliographic Details
Main Author: Hall, Parnell
Format: BOOK
Other Format: LARGE TYPE
Language:ENGLISH
Published: Minotaur Books 2013
Series:Puzzle lady mysteries #14
Subjects: