The Zig Zag Girl by Elly Griffiths
I've read a couple of Griffiths' other books and enjoyed them well enough. Honestly though, I picked up this series because of the magic connection. I love a good magician and here we have one helping solve crimes.
When the head and legs of a young woman are discovered in two black cases at Brighton train station, the case falls to Detective Inspector Edgar Stephens. Then the woman's torso is sent to him at the department, addressed to him using his military rank, Captain. The state of the woman's body in the three boxes reminds Edgar of a magician's trick, known as the Zig Zag Girl, performed by an old army buddy, Max Mephisto. The two had served with a group known as the "Magic Men" who were tasked with setting up deceptions to make the Germans think that the east coast of Scotland was well defended. Edgar tracks down Max, now a popular theater magician. Edgar and Max believe the...