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Charles Santoso

Charles Santoso is the author-illustrator of Happy Hippo and the illustrator of many other wonderful books, including Caron Levis's This Way, Charlie, Joe McGee's Peanut Butter & series, and the New York Times bestseller Wishtree by Katherine Applegate. His drawings and paintings have been exhibited in Australia, North America, and France, and he is based in Singapore. For more information, visit