Donning my waders to enter the fetid waters of Sherlock Holmes pastichery, I was prepared to kiss a lot of frogs on the way to a prince or two. But with The Return of Moriarty (2025) by Jack Anderson I’ve stumbled over a very handsome prince indeed far sooner than I’d ever hope — put simply, it’s wonderful, and if you’re a fan of Arthur Conan Doyle’s Holmes universe then you need a copy of this book in your life.