Proof of Murder

Bookshop owner Addie Greyborne must unravel a locked-room murder mystery at a haunted mansion in the seaside town of Greyborne Harbor. When a priceless Sherlock Holmes magazine goes missing and an estate sale turns deadly, Addie finds herself drawn into a complex puzzle of theft and murder. As she investigates, she must determine who could have committed the crime inside the sealed library before she becomes the next target.