Thanks to the ring book cover you can actually use because the pages do not fall by itself.
2-sided songs are arranged so that one does not have to turn the page.
In addition, for all levels catered for.
That only the chords are above the text and no grades, simplify things and let so still plenty of room for creativity, how then will actually sound the chords.
And who does not know how to uses the chords on the guitar, for, the notes still a lot of information printed (incl. Fingering chart).