Moon Over Soho - Ben Aaronovitch

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Résumé :
My name is Peter Grant, and I'm a Police Constable in that mighty army for justice known as the Metropolitan Police (a.k.a. the Filth). I'm also an apprentice wizard, the first in fifty years. When your dad is an almost famous jazz trumpeter, you know the classics. And that's why, when Dr. Walid called me down to the morgue to listen to a corpse, I recognized the tune it was playing as the jazz classic 'Body and Soul.' Something violently supernatural had happened to the victim, strong enough to leave its imprint on his corpse as if it were a wax cylinder recording. The former owner of the body, Cyrus Wilkinson, was a part-time jazz saxophonist and full-time accountant who had dropped dead of a heart attack just after finishing a gig. He wasn't the first, but no one was going to let me exhume corpses just to see if they were playing my tune. So it was back to old-fashioned police legwork, starting in Soho, the heart of the scene, with the lovely Simone-Cyrus's ex-lover, professional jazz kitten and as inviting as a Rubens portrait-as my guide. And it didn't take me long to realize there were monsters stalking Soho, creatures feeding off that special gift that separates the great musician from someone who can raise a decent tune. What they take is beauty. What they leave behind is sickness, failure and broken lives.--Provided by publisher....