Title: Rock n' Blues Harmonica, Author: Jon Gindick
Title: Blues and Rock Harmonica Made Easy!: Everything You Need to Know with Harmonica, Author: David Harp
Title: Blues & Rock Harp (Harmoncia) Positions Made Easy: (Compact Reference Library Series), Author: David Harp
Title: Blues & Rock Harmonica Made Easy!: Compact Reference Library, Author: David Harp