Exposure to new material and the relating of this material to one's own approach are extremely important skills for the jazz guitarist. The Jazz Guitarist's Thesaurus constitutes an excellent resource manual for linear jazz improvisation ideas and illustrates many concepts to help broaden improvisational skills. This book offer an expansive vocabulary of licks, phrases, and endings in five harmonic sections: Major, Minor, Dominant, Altered Dominant, and Minor 7b5.