Readers with a passion for environmentalism and economic equality will be enthralled by this title that explores the impact of a world whose unrestrained consumption has harsh effects on others . . . A satisfying, thrilling sequel to The Firefly Code.

School Library Journal

Despite disturbing dystopic details and sophisticated concepts such as the uncanny valley, Mori's earnestness and hard-won bravery give the story a gentle soul.

Kirkus Reviews

The themes are strong, and the depiction of a tightly controlled world at the expense of individuality will surely fascinate fans of Lois Lowry's The Giver . . . A very good selection for middle grade readers drawn to high-concept science fiction.

School Library Journal on THE FIREFLY CODE

Will have children turning pages and thinking about important questions. An excellent choice for those who love Lois Lowry's The Giver or Margaret Peterson Haddix's sci-fi adventures.

Booklist on THE FIREFLY CODE

Less stark than The Giver, this welcome addition to the dystopic utopia genre is a young cousin of Ally Condie's Matched and Mary Pearson's The Adoration of Jenna Fox.

Kirkus Reviews on THE FIREFLY CODE

It is no mystery that readers will come to love Hazel Kaplansky.

Kirby Larson, Newbery Honor-winning author of HATTIE BIG SKY, on THE SPY CATCHERS OF MAPLE HILL