New York Times Notable Children's Book (2008), New York Times Bestseller, ALA Notable Children's Book (2009), Publishers Weekly's Best Book of the Year (2008), School Library Journal Best Book of the Year (2008), Horn Book Fanfare (2008), Kirkus Best Book of the Year (2008), Cybils Award for Fantasy & Science Fiction (2008), Amelia Elizabeth Walden Award Honor Book (2009), California Young Reader Medal (Young Adult) Nominee (2011), Georgia Peach Book Award for Teen Readers (2009), Kentucky Bluegrass Award for Grades 9-12 (2010), North Carolina Children's Book Award (2009), Pennsylvania Young Readers' Choice Award (2009), Golden Duck Award for Excellence in Children's Science Fiction (Hal Clement Award) (2009)