A Dozen a Day, Book 4 — Edna Mae Burnam (Willis/Hal Leonard)

The fourth book in Edna Mae Burnam's classic piano technique series, offering short warm-up exercises grouped into daily sets to be played at the start of each practice session. Book 4 is aimed at intermediate students and builds finger strength, flexibility, and control. This 64-page Willis Music edition (Hal Leonard 00415686) is part of a series that has sold over 25 million copies worldwide.