Nadia Higgins is the published author of more than 70 books for kids and young adults. In addition to weird inventions, she has written about explorers, national parks, outer space, pop stars, and zombies. Higgins lives in Minneapolis, Minnesota with her husband and two daughters.;Jia Liu illustrates children's books because she likes to teach children and tell stories for them. By creating colorful, playful, and humorous work, she brings joy to children and inspires them, just as they inspire her. See more of her work at jia-liu.com.