The Castleton Affair: A gripping 1920s historical mystery by Benedict Brown
My rating: 4 of 5 stars

1920s. Marcus Quin and Lady Isabella have been hired to locate and retrieve a missing civil servant, Ernest Castleton, via a set of clues. Later they are recruited to stay at the home of the British Foreign Secretary to uncover a spy.
An entertaining and well-written historical mystery with its likeable main characters. Another good addition to this enjoyable series.
An ARC was provided by the publisher via Netgalley in exchange for an honest review.

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