Biron Farrell was young and naïve, but he was growing up fast. A radiation bomb planted in his dorm room changed him from an innocent student at the University of Earth to a marked man, fleeing desperately from an unknown assassin. He soon discovers that, many light-years away, his father has been murdered. Stunned, grief-stricken, and outraged, Biron is determined to uncover the reasons behind his father’s death, and becomes entangled in an intricate saga of rebellion, political intrigue, and espionage. The mystery takes him deep into space where he finds himself in a relentless struggle with the power-mad despots of Tyrann.

Isaac Asimov was born in Russia and grew up in the United States. His fantastic career as a science fiction writer began in 1939 with the appearance of a short story Marooned Off Vesta in Amazing Stories. He won the Hugo Award four times and the Nebula Award once. With nearly five hundred books to his name and several hundred articles, Asimov's output was prolific by any standards. He died in 1992 at the age of 72.