Scales Bootcamp: The fastest, clearest way to get to know your scales, and then master them.

Rhythm Bootcamp

Practiceopedia: The Big Book of Practice Help

The Practice Revolution: Getting great results from the six days between lessons

WunderKeys Intermediate Pop Studies For Piano 1: A Pop-Infused Lesson Companion To Reinforce Scales, Chords, Triads, And Left-Hand Patterns

Meridee Winters Chord Crash Course: Approved for Singers, Songwriters, Kids and Klutzes (Volume 1)

The Bootcamp Edition: Beethoven Fur Elise

The Complete Book of Scales, Chords, Arpeggios & Cadences: Includes All the Major, Minor (Natural, Harmonic, Melodic) & Chromatic Scales -- Plus Additional Instructions on Music Fundamentals

Piano Scales, Chords & Arpeggios Lessons with Elements of Basic Music Theory: Fun, Step-By-Step Guide for Beginner to Advanced Levels(Book & Streaming Video)

The Chord Wheel: The Ultimate Tool for All Musicians