Theory primer level - Bastien, James (San Diego, Calif. Neil A. Kjos, 1985)
As part of a comprehensive series for piano study this work is designed to be used with the other two core books Piano, and Performance. "All three are coordinated page-by-page to provide thorough reinforcement of basic concepts at each level."
Keywords: Piano -- Methods -- Juvenile; Piano -- Studies and exercises -- Juvenile; Piano -- Instruction and study; Piano -- Methods; Music theory -- Elementary works