Leslie Patricelli is the American writer and illustrator of the best selling line of toddler books, starring her inimitable Baby character, including Potty, Toot, Yummy Yucky, Big Little, and Hair. She has more than 30 books for children, including her preschool books, Higher! Higher! (a Boston Globe Book Honor Award winner), Be Quiet, Mike!, Faster! Faster! and The Patterson Puppies and the Midnight Monster Party; as well as a middle-grade novel, The Rizzlerunk Club: Best Buds Under Frogs, published in 2018. Leslie Patricelli grew up in Issaquah, Washington close to Pine Lake. Leslie Patricelli majored in Communications at the University of Washington and took classes at the School of Visual Concepts in Seattle. Leslie Patricelli created and animated Rover the Dog for Windows XP help installed on more than 60 million computers worldwide.