Pumping Nylon Complete: The Classical Guitarist's Technique Handbook, Second Edition

Pumping Nylon -- Complete: The Classical Guitarist's Technique Handbook, Book & Online Video/Audio (Pumping Nylon Series)

The Christopher Parkening Guitar Method - Volume 1: Guitar | The Art and Technique of the Classical Guitar | Book for Beginners | Sheet Music and Exercises for Skill Development

The Christopher Parkening Guitar Method – Volume 2 – Classical Guitar Technique and Repertoire | Advanced Skills Including Tremolo, Harmonics, Vibrato, and Slurs | 32 Classical Pieces