Mark Lawrence is a research scientist working on artificial intelligence. He is a dual national with both British and American citizenship, and has held secret-level clearance with both governments. At one point, he was qualified to say, “ This isn’ t rocket science— oh wait, it actually is. ” He is the author of the Broken Empire trilogy (Prince of Thorns, King of Thorns, and Emperor of Thorns), the Red Queen’ s War trilogy (Prince of Fools, The Liar’ s Key, and The Wheel of Osheim) and the Book of the Ancestor series (Red Sister).