"My name is Earth / but people call me Little Earth." In the fourth installment of their award-winning Madre Tierra / Mother Earth series of trilingual picture books about the natural world, Jorge Argueta and Felipe Ugalde Alcántara collaborate again to introduce Mother Earth, who is "full of all the colors / and all the flavors." She is the mother of water, fire, wind and earth. Some call her planet, others nature or creation. "I am Mother Earth...