Sandra Markle is the author of more than two hundred books for children. She has won numerous awards, including the Prize for Excellence in Science Books given by the American Association for the Advancement of Science (AAAS), the Boston Globe-Horn Book Honor Book, and the Charlotte Zolotow Award. She has also developed science specials for CNN and PBS. Through her affiliation with the National Science Foundation, Markle traveled extensively in Antarctica and developed one of the first online educational programs. She lives in Florida.
Thomas Gonzalez is an illustrator, designer, and portrait artist. A native of Cuba, he came to the United States when he was ten years old. He studied at the Atlanta School of Art (now called Savannah of Art and Design). After working at the Coca-Cola Company for more than twenty years, Tom held several creative positions with other global brands. He has illustrated many picture books, including the New York Times best-seller 14 Cows for America. He lives in Georgia.