♬ Instant purchase available This is a piano textbook, "Burgmüller 25 Etudes: Thoroughly Useful Guide." It provides explanations of each of Burgmüller's 25 Etudes, including difficulty levels, characteristics, and practice points. It's for piano learners from elementary to intermediate levels, often used after finishing Beyer or before entering Sonatinas. It also includes information useful for the order of practice and the difficulty level of each piece. I have kept it at home after purchase. Thank you. ♬