The Lady's Guide to Calculated Ruin by Catherine Kerrigan: a novel of mathematics, mischief, and a very inconvenient rake

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The Lady's Guide to Calculated Ruin

Theodora Thornbury runs a discreet problem-solving salon from the back parlor of her Mayfair townhouse. Her clients are ladies—and the occasional desperate gentleman—who require solutions that polite society cannot publicly acknowledge. She is methodical, private, and has spent a considerable number of years constructing a life that requires very little from anyone else.

When Robert Ashford, Earl of Briarcliffe, arrives with a problem he describes only as inconvenient, Theodora recognizes it immediately as the kind that ruins people. Solving it will require everything she has carefully hidden about herself, and the cooperation of a man whose intelligence is, most unfortunately, equal to her own.

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