The Spider Strain - Johnston McCulley - Bog

The supervillain's right-hand man, John Warwick, must steal a priceless necklace. This is his last assignment, for if he can finally satisfy the Spider, he will free himself from the criminal forever. With a rival gang after the necklace and the Spider's fate hanging in the balance, this may be Warwick's most dangerous assignment yet. A beautiful woman, a decades-old secret, and thieves running rampant at a high society party make for a brisk caper-story ... and the culmination of the long-running Spider series!