Shock Diamonds (Adrian Tarn Book 3)

How far would you travel to save a friend? Adrian Tarn would go 700 trillion miles to the Mu Arae system, a place where no real laws exist and even the laws of physics can't be trusted. Join the crew of the starship Griffin on a journey through unexplored space to solve the mystery of the skull, and the fate of lost friends. (Sequel to Deep Crossing)