The Fractal Murders Pepper Keane Mystery Series, Book 1.

Jane Smythe, a math professor specializing in fractal geometry, is shocked to learn that three professors with the same specialty have died amid mysterious circumstances. That's where Pepper Keane, an ex-Marine turned PI with an encyclopedic knowledge of rock 'n' roll, comes in. He finds himself attracted to Professor Smythe and is determined to discover the root of these incidents. At first, he can't find any evidence that the three dead mathema...