Sorted on book title (not in series order)

Singleton & Trelawney

The Baker Street Phantom

In the spring of 1932, with Londoners terrorised by a series of brutal murders, the private detective agency of Messrs. Singleton and Trelawney quietly opens its doors in Bloomsbury. The first person to call on their services is a worried Lady Arthur Conan Doyle. She tells of mysterious...Read more

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1