The Gadgeteers: The Secret of the Screwy Steps(Book 4 in The Gadgeteers Series) A loose step. A twisted screw. A mystery waiting to be solved. When Sasha stumbles on a shaky step at the school playground, it's not just a tripping hazard-it's the next challenge for the Gadgeteers! Join Maya, Leo, Sasha, and Benji as they dive into the science behind screws, angles, and grip strength. With teamwork, clever experiments, and real-world problem-solving, they discover how simple machines like the screw help make our world safer and stronger. Perfect for curious 3rd graders and budding engineers, this STEM-based chapter book blends fun storytelling with educational insights. With hands-on examples and an engaging mystery format, readers not only enjoy a great story-they learn how things work. The best part? At the end of each book, a new clue hints at the Gadgeteers' next exciting investigation. Can your young reader spot it?