Theory Book Book 1. This six-level series of theory books expand upon the concepts taught at the piano lesson, and gives the student a greater understanding and appreciation of music. Each theory page corresponds directly with material in the lesson books.
| Format | Instrumental Album |
| NumberOfPages | 48 |
| Publisher | Willis Music |
| Contributors | Finn, Cheryl (Author) |
| Language | English |
| ISBN | 9780877180456 |
| UPC | 073999376999 |