Alfred's Essentials of Music Theory: Book 2
Alfred's Essentials of Music Theory: Book 3
Alfred's Essentials of Music Theory: Complete
Alfred's Essentials of Music Theory: Ear Training CD 1 (for Books 1 & 2)
Alfred's Essentials of Music Theory: Ear Training CDs 1 & 2 Combined (for Books 1-3)
Alfred's Essentials of Music Theory: Teacher's Answer Key
Chords Complete!
Theory for Young Musicians, Notespeller
Theory for Young Musicians, Book 1
Theory for Young Musicians, Book 2