Most of the 28 etudes written by illustrious teacher-pianists (Gurlitt, Le Couppey, Türk, Beyer, Streabbog, Czerny) are two pages long. The selections reinforce technical concepts, but they are not just exercises" but delightful pieces that can be programmed for recital or performance. Unit 1 focuses on Trills, Unit 2---Crossovers, Unit 3---Double Notes, Unit 4---Blocked and Broken Chords, and Unit 5---Waltz Bass.