Mario y el agujero en el cielo / Mario and the Hole in the Sky

This is the story of Mario Molina, a Mexican chemist who was responsible, with his colleagues F. Sherwood Rowland and Paul J. Crutzen, for the discovery of the hole in the ozone layer above Antarctica. Readers learn how Mario’s parents converted an old bathroom into a laboratory for their son and how his aunt, Esther Molina, also a chemist, helped and challenged him. The story follows Mario’s trajectory as he continues his medical studies abroad and ends up in California studying the chlorofluorocarbons that had been amassing and damaging the atmosphere. Engaging illustrations and information presented in an easy-to-read format make this title an excellent addition to any Spanish-language nonfiction collection. An epilogue, compare-contrast chart, bibliography, time line, and an author’s note are included.
—Booklist

Elizabeth Rusch is the author of many non-fiction books for children. Some of her award-winning titles include Volcano Rising and Electrical Wizard: How Nikola Tesla Lit Up the World. Her acclaimed Scientists in the Field series features The Mighty Mars Rovers, Eruption! (which received an Orbis Pictus Honor), and The Next Wave.

Teresa Martinez was born in Mexico. As a child, she was very shy, and drawing helped her connect with her schoolmates. As an adult, she studied graphic design and began illustrating books. She now lives in Puerto Vallarta, creating drawings for children, just as she did in school, which makes her very happy.

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