Established in July 2013 in a merger between Penguin and Random House, Penguin Random House, with nearly 250 independent imprints and brands on five continents, more than 15,000 new titles published each year, and close to 800 million print, audio, and eBooks sold annually, is the world's leading trade book publisher. Like its predecessor companies, Penguin Random House is committed to publishing adult and children's fiction and nonfiction print editions and is a pioneer in digital publishing. Its publishing lists include more than 60 Nobel Prize laureates and hundreds of the world's most widely read authors. Susan Hall received her master's degree in illustration from Syracuse University and worked for 12 years at Hallmark Cards. She then became a freelance illustrator specializing in picture books and educational activity books for children and has illustrated more than 75 books, including Dora and the Winter Games and The Big Birthday Surprise (Nella the Princess Knight). She works out of her studio in Dallas, Texas, assisted by her three cats.