Scales & Modes In The Beginning. This book is divided into four basic sections, 1 Fretboard Visualizations ( we need to known the fretboard ), 2 Scale Terminology, ( we have to known what we're talking about ), 3 Scales and modes, ( ever scales you'll want to known ), 4 This last section brings it all together with a handy " scale to chord guide " that will be a valuable aid in memorization.