How did the Joshua Tree National Park in California come to be? Meet Minerva Hamilton Hoyt, an artist, activist, and environmentalist, whose determination saved the desert and helped to create the park, in this STEAM picture book. Long before she became known as the Cactus Queen, Minerva Hamilton Hoyt found solace in the unexpected beauty of the Mojave Desert in California. She loved the jackrabbits and coyotes, the prickly cacti, and...