BOB DYLAN BOOKS IN ENGLISH LANGUAGE, I letter:
ISAIAH ON GUITAR - A GUIDE TO JOHN WESLEY HARDING,
by Robin Witting, Vallis Books 1992, 47 pages
GUITAR - A GUIDE TO JOHN WESLEY HARDING, by Robin Witting, Exploding Rooster Books
1998, 102 pages. Note the changing in the title compared to the 1992 edition above: 'On Guitar' is now 'For Guitar'.'