Dr. Karen Nyberg is an astronaut, engineer, artist, and mother who, through nearly 30 years of experience in human spaceflight, has developed a deep appreciation for the value of cooperation across diverse ideologies and values to care for our home planet and its inhabitants. Ann McCallum Staats is a former teacher and the award-winning author of over a dozen books. Her latest books include Fantastic Flora: The World's Biggest, Baddest, and Smelliest Plants (Candlewick/MIT Kids Press) along with two books in the Women of Power series: High Flyers and Thrill Seekers (Chicago Review Press). Alida Massari is an Italian artist specializing in illustration for children including picture books and other children's publishing. Massari was born in Rome, where she qualified in art at high school and then went on to complete a specialization in illustration at the European Institute of Design. She finds inspiration for her work from the architectural details of the ancient buildings, from folk traditions and ancient art, describing her work as "modern but with ancient atmosphere."