Meet three inspirational Earth Heroes whose love of the natural world inspires them to make a difference: Jane Goodall, Greta Thunberg, and David Attenborough! This set of three books from the internationally best-selling Little People, BIG DREAMS series introduces little dreamers to the lives of these incredible people who work to understand and protect this amazing planet. In these remarkable true stories, learn how three very different people use their voice to speak up for animals and the e ...