Fatal deduction
Fatal Deduction

Gayle Roper

Reviewed by Mary Lydon Simonsen, author of Pemberley Remembered

Fatal Deduction is the story of twins, Libby and Tori Keating.   Although identical in appearance, they have nothing in common and have never gotten along.  Their Aunt Stella hoped to change that when she left her Philadelphia townhouse with three floors of valuable antiques to the sisters in her will on the condition that they co-habit for six months.  As a single mother with a 13-year old daughter, Chloe, Libby has little choice in the matter because she needs the money while Tori agrees to the arrangement out of pure greed and spite.

Also new to the neighborhood are Drew Canfield and his 13-year old daughter, Jenna.  Jenna and Chloe become fast friends, and their friendship brings Libby and Drew together.  Both have been hurt by previous relationships, but because of their faith in God, they have managed to keep it together and to raise their daughters by themselves.


Things get off to a roaring start when Libby walks out her front door and finds a dead body with the words TORI written on a folded piece of paper with a crossword puzzle on the back.  When the puzzle is filled in, it is clear that someone is sending her sister a message.  Libby has reason to believe that the threat is real because her sister works at an
Atlantic City casino, and her boyfriend makes his money as a predatory lender with lots of unhappy customers who can’t repay their loans.  Tori receives additional threats, and because Libby is her identical twin, she fears that her life, and that of her daughter, might be at risk if she is mistaken for her sister. <> 

The author has created an array of complex characters.  Even though the neighbors play a small role in the novel, they are likable and provide a nice break from the tension created by Libby and Tori’s strained relationship.  Because Libby is an antiques dealer living in a house full of antiques, a lot of interesting information about finding, buying and selling valuables is included.


The mystery of who is threatening Tori is well plotted and has an exciting conclusion.  Several interesting subplots, including who fathered Chloe, corrupt policemen, and Drew’s unhinged ex-wife, keep the story moving along at a nice pace.  However, the heart of the story is the relationship between Tori and Libby.  Tori is truly the evil twin.  She takes every opportunity to make her sister miserable, including trying to lure her niece away from her mother by buying her things that all teenagers have on their wish lists.  She does not have one redeeming virtue, and if it weren’t for her sister’s personal relationship with God, it would be hard to believe that she could live with Tori for six days no less six months.  I think that Fatal Deduction would have been better served if Tori had been the least bit likable or if Libby had been less of a pushover.  In the end, you are happy that Libby and Chloe will be better off because of their time in
Philadelphia, but you can’t wish the same for Tori.

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