The Easy Library currently consists of three volumes.
“The Easy Theory” has words of wisdom for all; however, it is a book primarily for beginners.
A PDF file for “The Easy Theory” is free to download. A spiral-bound version may be purchased for $50.
“Easy Outlines and Principles†consists of two volumes (I and II).
They are for anyone wanting to improve their theory knowledge and writing ability.
Each volume is sold as a spiral-bound printed book. The price is $100 for each volume.