Scales and Modes in the Beginning — Ron Middlebrook (Centerstream/Hal Leonard)

Scales and Modes in the Beginning (HL00000010) by Ron Middlebrook is a comprehensive scale book written especially for guitar. It is organized into four sections: fretboard visualization; scale terminology (whole and half steps, scale degrees and intervals); scales and modes with exercises and applications; and a scale-to-chord guide showing which scale to use over various chords. Originally published by Centerstream and distributed by Hal Leonard.