"Mary Russell and Sherlock Holmes untangle the slippery threads of insanity and deadly secrets as they investigate a disappearance in the New York Times bestselling series that Lee Child called "the most sustained feat of imagination in mystery fiction today." A June summer's evening, on the Sussex Downs, in 1925. Mary Russell and Sherlock Holmes are strolling across their orchard when the telephone rings: an old friend's beloved aunt has failed to...

Before James grew up to be a ruthless, remorseless villain, he was a curious boy from Boston, with a penchant for trouble and an acid tongue. Thrown into a boarding school against his wishes, James winds up rooming with a most unlikely companion: a lanky British know-it-all named Sherlock Holmes ("Lock" to his friends). An heirloom Bible, donated by the Moriarty family more than a hundred years ago, has gone missing, and it doesn't take long for the...