Rosemary Wells (www.rosemarywells.com) is the award-winning author of numerous books, including Carry Me!; My Kindergarten; the New York Times best-selling Emily's First 100 Days of School; and several other stories about the character in this book: Yoko; Yoko's Paper Cranes; Yoko's Show-and-Tell; Yoko Learns to Read; and Yoko Writes Her Name, which Booklist called "meaningful and delightful in equal measure" in a starred review. She has become a household name in children's books, primarily due to her beloved Max and Ruby books, which inspired an animated series on PBS. She lives in Greenwich, Connecticut.