The Girl Who Built a Spider — George Brewington

In this fun-filled, action-packed middle grade novel, three young inventors are offered the chance to work at the renowned Dr. Flax's laboratory—where dazzling science, new friendships, and killer robots await. When Theresa Brown wins the Charleston County Middle School Science Fair, she receives the opportunity of a lifetime—an invitation to celebrated scientist Dr. Flax’s laboratory and a summer spent 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?