The Case of the Courtlandt Jewels — G.H. Teed

Dr. Huxton Rymer, an antagonist of detective Sexton Blake, has settled down to a seemingly honest life in rural England. But the temptations of crime are a bit to attractive to him and one proposal is just too tantalizing and inventive to be resisted. The results of that crime literally drop from the sky to Tinker?s amazement?but the resolution takes Blake even to Paris where Rymer introduces the lovely and capable Mary Trent.