"Sara Little Turnbull was a girl with a big heart and a bigger imagination. Her creativity and curiosity led her to the world of design--a world of imagining, planning, and creating something useful. Discover the true story of a talented girl who grew up to design everything from cake mix to spacesuits to the N95 mask. With a curious mind and a big heart, see how the smallest idea can make a very big difference"-- Provided by publisher.