“Sheer adventure: full of engaging, nerdily detailed depictions of the minutiae of Aikido, spycraft, artificial life theory, frontier economics, religious zealotry, Zen meditation, and beautiful descriptions of the southwestern landscape. It has the true pulp adventure serial spirit, the compulsively consumable zing that’ll have you turning pages long past your bedtime.” —Cory Doctorow, New York Times bestselling author of Little Brother, on 7th Sigma