All-In-One Piano Lessons Book A combines selected pages from the Piano Lessons, Technique, Solos, Theory Workbook, and Practice Games into one easy-to-manage book. A perfect choice for beginning group or private instruction, thisbook offers students a variety of styles and moods, and includes the best ever teacher accompaniments. Upon completion of the All-In-One Piano Lessons Book A, students will be ready to continue into the All-In-One Piano LessonsBook B. After completing Books A & B, students are ready to progress to Level 2 of the Hal Leonard Student Piano Library. 80 pages. Audio is accessed online using the unique code inside the book and can be streamed or downloaded.The audio files include PLAYBACK+. a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys and pan left or right.