Book 1 · Psychological Suspense
The Billionaire's Fallacy
In Sarasota, the most valuable real estate isn't always what's for sale. Sometimes it's what someone has spent years making sure no one can find.
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The Billionaire Variable: all books in order
The Billionaire Variable contains three standalone thrillers by Karen Kepner. Series order is Book 1, The Billionaire's Fallacy; Book 2, The Billionaire's Wake; Book 3, The Billionaire's Manifest. Every book tells a complete story, so any order works.
Book 2 · Psychological Thriller
The Billionaire's Wake
Grayson Vareaux has survived the kind of scandal that should have ended him. Instead, he reinvents himself. To the billionaires writing the checks, Grayson isn't selling treasure. He's selling certainty.
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Book 3 · Technological Thriller
The Billionaire's Manifest
A billionaire insists he was never on the private jet. The flight plan is authenticated. The passenger manifest is clean. Biometric entry logs place him aboard. Cabin video confirms it. The consequences are devastating. Then it happens again.
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