NEW YORK TIMES BOOK REVIEW EDITORS’ CHOICE • An outsider who can travel between worlds discovers a secret that threatens the very fabric of the multiverse i

Rob Merlin was the best engineer who had ever lived. That was why "The King of Space" had to have him for the most spectacular construction project ever - even

“Westerfeld’s blend of traditional space opera and cutting-edge speculation makes this a truly twenty-first-century SF novel.” —Karl Schroeder, author o

Told in their separate voices, sixteen-year-old Prince Oliver, who wants to break free of his fairy-tale existence, and fifteen-year-old Delilah, a loner obsess