Notice: Amazon occasionally displays shipping delays. Even so, it actually ships the books very quickly, within days.
also on kindle
Answer sheet (PDF)
Preview book (PDF)
Intervallic Fretboard

Guitar Fingers: Essential Technique in Pictures.
Intervallic Fretboard: Towards Improvising on the Guitar.
The CheatSheet Music series.
MUSIC PAPER series. A series of blank manuscript paper in NOTEBOOK and POCKETBOOK formats for all instruments.
Guitar chord diagrams; Tablature / standard staff (combined); Standard notation; Guitar TAB; Standard staff + TAB; Chord + ...staff/TAB (chord combos); Ukulele chord diagrams.