Peter Saxon - The Killing Bone

First published in the U.S. by Berkley in 1969. The U.K. edition published by Five Star in 1972. Peter Saxon was originally a pseudonym of W. Howard Baker but it became a house name when Baker took over the editorial reins of the Sexton Blake line. At least five other authors published as Peter Saxon - Wilfred McNeilly, Martin Thomas, Rex Dolphin, Stephen D. Frances and Ross Richards - this particular novel was by Baker himself.