Dancing in the Kitchen

Alistair Eugene Holmes' life depends on his ability to pass as ordinary and dull. Blending with the university's students, he enters the archeology's museum with one purpose: steal the Death stone one of the professors has unearthed. A moment's distraction by the pretty curator gets him tossed out of the museum. When he manages to sneak back inside, the death stone has been replaced by a fake onyx. Which of the three suspects left the taunting message written in black magic? The cocky Dixon...