Knave of Diamonds by Laurie R. King

 

 Knave of Diamonds: A Novel of Suspense featuring Mary Russell and Sherlock Holmes by Laurie R. King. Bantam Books, an imprint of Random House, 2025. Adult fiction. Mystery.

When Mary Russell's charming uncle, Jake Russell, shows up, Mary and Sherlock become involved in a cold case surrounding long missing Crown Jewels of Ireland. It's a case that Sherlock and his brother Mycroft had investigated with no results. And, now Jake, a man whom Mary has not seen since she was a child and a criminal himself seems to know a great deal about it all. The game's afoot again!

This new book in King's long running series about Russell and Holmes is a rip roaring adventure. Ernest Shackleton's brother, Frank, even makes an appearance! Start with the first book, The Beekeeper's Apprentice, and join the fun!