It seems as if DuPrau is hedging her bets for a sequel, and readers who have followed Lina and Doon through their trials and tribulations deserve a greater sense of release and resolution than she is willing to provide in this first installment of their saga. -- Michael Berry, The San Francisco Chronicle
A must-read for this summer! -- Jennifer Galvin, The Boston Herald
Once I...d started, I found it impossible to put the Book down. -- Tracy Farnsworth, Round Table Reviews
Deciphering the clues from the damaged Instructions will keep readers guessing, despite some predictable plot twists in the center section, and they will be rooting for the appealing main characters. -- Matt Berman, Common Sense Review
Local Author Jeanne DuPrau first novel for children is a highly readable, page-turner of a science fiction adventure. -- Maya Spector, City of Palo Alto Library
It was very easy, even though it didn't jump right into the Book, it still was fun and easy. -- Maddy Morley, cool-reads
Jeanne DuPrau has created a novel which is gripping, full of unexpected outcomes and which leaves the reader clamoring for more. -- Through the Looking Glass Children's Book Review
This is a gripping novel with likeable characters, a fascinating setting, and a suspenseful plot. -- Sondra Eklund, SonderBooks