10 books • 2 series
Book #1: The Piano Practice Physician's Handbook
Book #2: Rhythm in 5
Book #3: Playful Preschool Piano Teaching
Book #1: Thinking Theory Prep Book (American Edition)
Book #3: Thinking Theory Book One (American Edition)
Book #5: Thinking Theory Book Two (American Edition)
Book #7: Thinking Theory Book Three (American Edition)