“Dramatically effective and a milestone in science fiction about nanotech and fine-grained distributed systems.” —Vernor Vinge

“A fast-moving, entertaining, and intriguing novel.” —L. E. Modesitt, Jr.

“The glowing, intricate plot arises organically from [the] stunningly inventive backdrop. . . . Delightful and engaging, both intellectually and viscerally: a superb achievement.” —Kirkus (starred review)