Originally published in the US by Godwin Books/Henry Holt and Company.

Ages 8-12.

When Theresa Brown wins the Charleston County Middle School Science Fair, she receives the opportunity of a lifetime -- an invitation to work with the celebrated scientist Dr. Flax and spend the summer building the invention of her dreams. Along with the second- and third-place finishers of the science fair, Theresa is whisked off to a world of robots, excitement, and danger. Dr. Flax claims his inventions are going to help stop climate change and make the world a better, safer place. But is that true? And can Theresa and her friends get to the bottom of the mysteries of his laboratory?