Master the Cigar Box Guitar A must have for every CBG player. A complete reference book for both 3 & 4 String Cigar Box Guitar with over 200 pages. Hundreds of chord & scale diagrams and maps; Popular & Blues Chord progressions; Slide & Blues Riffs; Warm Up exercises; Strumming & Picking practice; Fingerboard Charts. A great reference book for beginner to advanced players.For more information please visit: www.brentrobitaille.com/cigar-box-guitar