(Educational Piano). This book includes 21 short exercises using primarily 5-finger positions. Key signatures of C, F, and G major are added. Patterns involve melodic and harmonic intervals of 3rds, 4th, and 5ths and are also transposed by octave in left hand and right hand positions. Some patterns involve staccato and 8th notes and time signatures of 2/4, 3/4, and 4/4 are used.