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.;Sr. Snchez studied fine art in Valencia, and its influence shows in his warm and vibrant use of color, describing the Mediterranean climate of his home country so well. His style is communicative, droll, and endearing. He lives in Madrid, likes the countryside and mountains, and bicycles pretty much everywhere. See more of his work at srsanchez.es.