This lot includes two books from Alfreds Basic Piano Library: Recital Level 4 and Adult Piano Course. Both books are perfect for those who are looking for a new challenge or want to improve their piano skills. The books are suitable for players of various experience levels. The books are published by Alfred Music in the United States and are in the format of a collection/song book. The genre of the music in the books is various, which means that there is something for everyone. The books are specifically designed for piano players and would make a great addition to any collection.