book cover of Substitute Killer
 

Substitute Killer

(2025)
(A book in the Summer Vacation Mystery series)
A Story by

 
 
Her vacation equation didn't include murder...

Math teacher Priya Patel was looking forward to a peaceful summer vacation visiting her cousin in the picturesque coastal town of Harbor Springs. With her analytical mind and her mathematically-named cat Fibonacci by her side, she had carefully calculated every aspect of her relaxing getaway.

But when she discovers the body of a local boat tour operator floating in the marina, Priya's vacation takes an unexpected turn. The police rule it an accidental drowning, but the numbers simply don't add up. With her knack for spotting patterns where others see only coincidence, Priya suspects foul play.

As she creates probability matrices of potential suspects—including the ambitious marina owner, the charismatic restaurant proprietor, and the seemingly sweet gift shop owner—Priya finds herself drawn deeper into Harbor Springs' secrets. When a second victim turns up dead and evidence mysteriously disappears, she realizes someone is going to great lengths to disguise murder as mishap.

With help from her cousin Anil, a determined local journalist, a marine biologist with a passion for truth, and her remarkably intuitive cat Fibonacci (who has an uncanny ability to find crucial clues), Priya must solve this deadly equation before she becomes the killer's next target.

Can a math teacher's analytical approach unravel a complex web of counterfeiting, corruption, and murder? Or will Priya's summer vacation equal her final calculation?


Genre: Mystery

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