There are three books below that you cannot click on and download currently - Sweet Melancholy (which comes out in the month of September, 2014), Cool Songs that ROCK! book 2 (which comes out in the month of October, 2015), and Variations on Mary Had a Little Lamb (which should be up soon).
These are all sample PDF books. To download these "sample" copies, simply click on the cover of the book below. If you would like to purchase any of these books, they are available in two formats: PDF versions of the books for a standard flat price of $6.95, and The Physical Copy (spiral bound) version of the books.