432 pages, Collins Crime Club, ISBN-13: 978-0008380830
The Three Locks by Bonnie MacBird is the fourth of her Sherlock Holmes adventures, the others being Art in the Blood (reviewed on September 18th, 2024), Unquiet Spirits (reviewed on May 9th, 2025) and The Devil’s Due (reviewed on July 20th, 2026); The Three Locks just may be the best of her interpretations thus far. The locks of the title refer to three entirely different contraptions: a special box sent to Watson by his just-passed aunt which his long-dead mother meant for him to have; the contraptions invented by a husband-and-wife team of Italian magicians; and the river lock located on the River Cam. All three are connected in some fashion not obvious to the average person, but Sherlock Holmes is anything but average. What follows is an engrossing tale in which these riddles wrapped in mysteries inside of enigmas come to a head in true Conan Doyle fashion. As with the other books MacBird has written, her take on Holmes and Watson (and the underappreciated Mrs. Hudson) have an authentic feel that would make Conan Doyle proud. The atmosphere of and characterizations all have the true to life vibe of Victorian England.
MacBird is an excellent writer who employs good turns of phrase (turns of phrases?), and this book is full of sentences that causes one to chuckle like a major general as she channels Conan Doyle to display Holmes often overlooked wit; this undercurrent of humor is all the more enjoyable for not trying too hard, MacBird doesn’t force it on her reader but allows it to happen on its own. Holmes and Watson as characters are developed beyond simply describing their parts in the plot, as our author obviously is a fan of this most famous of detectives (and Watson). Speaking of which, Watson is a well-developed character on his own and plays a more active role than just being the most famous sidekick in literature; his knowledge and skills are called upon by Holmes to assist in the solving these crimes, and the insight MacBird gives on his past fleshes him out in ways his creator never really managed to do. The tragedy of his childhood, while perhaps not canon, makes for an interesting development and explains to a great deal just why John became a doctor. Really, MacBird does Watson justice.
There are several detailed descriptions of characters and settings, giving the entire book a virtual cinematic feel and scope, with even minor characters given their due. But it is Holmes and his reliance on Watson – an often overlooked aspect of the character, if I may be so bold – that is front and center. Their voices, characters and settings, as well as Holmes’ penetrating observations and brilliant deductions, will be instantly recognizable by anyone familiar with the classic Conan Doyle cases that “Watson” shared with the world decades ago. As I’ve said before, these new books are so unquestionably authentic that the most of knowledgeable and devoted Sherlockians would be excused for thinking that Bonnie MacBird’s conceit is real: that these stories were in fact written by Dr. John Watson and she is merely the transcriber, as was her predecessor, Arthur Conan Doyle. So here’s to hoping the MacBird finds more of these long-lost tales of Victorian daring-do and shares them with us jaded moderns; God knows we could all use some old-fashioned toxic men to ride in and save the day.






