Dr. Sophie Knowles teaches math at Henley College in Massachusetts, but when a colleague turns up dead, it's up to her to find the killer before someone else gets subtracted. This first installment in a new series includes original puzzles and brain teasers. Original.
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Dr. Sophie Knowles teaches math at Henley College in Massachusetts, but when a colleague turns up dead, it's up to her to find the killer before someone else gets subtracted. This first installment in a new series includes original puzzles and brain teasers. Original.
Read Less