There seems to be no shortage of medieval/historical mysteries. Thank goodness, as it's quite a popular genre and one that has merits of its own.
"The Alehouse Murders" is a first novel by Maureen Ash and features Bascot de Marins, recently returned from the Crusades with the Templar Knights. The world-weary (and physically depleted) knight with his worldly knowledge and background looks to re-build himself, body and soul, following the grueling, decimating Crusades. And what more exciting profession should he turn to but that of sleuth! He's been gone for eight long years and, naturally, is a bit rusty. He settles down in Lincoln in the year 1200 and mid-summer activities are in full bloom. Alas, the pastoral side of Lincoln isn't to last, for, ironically, four bodies are found in a local alehouse and with complicated complications, ever-spiraling associations, and convoluted avenues which Bacot must pursue, the book takes off with a rapid, yet steady pace. Ash has complete control of the plot development, never leaving the reader dangling (or even confused). This is not to say that the story line isn't complicated. It is, but Ash keeps it in a controlled fashion. Her powers of description and episode easily carry the book, traits that most readers will applaud.
Bascot is quite an interesting man, of course, reminiscent of later fictional sleuths and heros and Ash gives us a good foundation for him and his character, noble, sensitive, intelligent, indeed, that he is. A second Knights Templar mystery by her ("Death of a Squire") is already on the shelf and, hopefully, this will become another of the successful historical mystery series. It's a good read!