Joan Holub is the New York Times bestselling author of Mighty Dads. She is also the author and/or illustrator of over 130 other books for children, including the picture books Zero the Hero and Little Red Writing, a School Library Journal and Kirkus Reviews Best Book, and is coauthor of the bestselling Goddess Girls and Grimmtastic Girls middle grade series. She has two cats named Chip and Boo. You can visit her online at www.joanholub.com.
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Marco Polo was seventeen when he set out for China . . . and forty-one when he came back! More than seven hundred years ago, Marco Polo traveled from the medieval city of Venice to the fabled kingdom of the great Kublai Khan, seeing new sights and riches ... SEE MORE