Records in 1948. The series underwent an expansion when Lucy Sprague Mitchell (educator and founder of Bank Street Nursery School now Bank Street College of Education) joined. A strong supporter of realistic children's literature, Mitchell created the Bank Street Writer's Laboratory. Works coming from this institution became the new basis for the Little Golden Book series, with characters and situations often inspired by the very locale of the Bank School. As historian Leonard S. Marcus writes: In 1958, Simon & Schuster sold its interest in Little Golden Books to Western Publishing. The price of Little Golden Books rose to 29¢ in 1962. Western introduced a line of Big Little Golden Books for slightly older children aged five and up. Some titles from this series range from brand new stories (such as The House That Had Enough) to reprints (such as The Monster at the End of This Book). In the 1980s, Golden Books introduced Golden Melody Books. Titles from this series included a long-lasting electronic chip that played music when readers open those books. Songs featured in this series range from popular children's songs such as Twinkle, Twinkle Little Star, to songs from children's TV and family movies including People in Your Neighborhood from Sesame Street and Heigh-Ho from Disney's Snow White and the Seven Dwarfs. In the year 2000, Encore Software produced a series of "Little Golden Books" titles for CD ROM, including The Poky Little Puppy, Mother Goose, Jack and the Beanstalk, The Velveteen Rabbit, Tootle, and The Saggy Baggy Elephant. These six individual titles were some of the first major software releases to be produced entirely in Macromedia Flash. In 2001, Random House acquired Little Golden Books for about $85 million. At that point, nearly 15 million copies of The Poky Little Puppy had been sold, including copies in various languages. In 2015, with the release of Little Golden Book adaptations of the first six installments of the Star Wars saga on August 25, the Little Golden Book adaptation of Star Wars: Episode III – Revenge of the Sith became the first-ever Little Golden Book in history to come from a film that was rated PG-13 by the MPAA. Months later, on April 12, 2016, a Little Golden Book adaptation of Star Wars: The Force Awakens, the next film in the saga, also rated PG-13, was released. This release opened the door for further Little Golden Books