For fans of Shark Lady and from the New York Times bestselling illustrator of Dr. Fauci comes the incredible true story of a girl who discovered dinosaur bones in her own backyard and, after years of persistence, helped uncover one of the most exciting paleontological discoveries of our time.There’s an extraordinary secret hidden just beneath Ruth Mason’s feet. The year is 1905, and Ruth is a prairie girl living in South Dakota. She has n...