Probably the first book of its kind in the world.. "Two-handed tapping - guitar workshop" is an instructional book+DVD of Adam Fulara.
For usual 6-string guitar and standard tunning (E,B,G,D,A,E). 14 lessons + 14 transcriptions of evergreens, classical music hits
and Bach tunes (Amazing Grace, The Entertainer, For Elise, etc.). In Polish and in English. Book: 52 pages: tabs + scores + comments in English and Polish. DVD: 65 mins, English subtitiles. Over one year of practicing guaranteed...
The mail order is available here.
Errata: Lesson 3 - Minuet, measures: 9,10 (missing).