(Willis). The iconic A Dozen a Day books have been in piano studios around the world since 1950. Written and illustrated by Edna Mae Burnam, a second-generation piano teacher, the books are universally recognized as one of the most practical technique series on the market. The series is made up of brief, accessible groups of warm-up exercises that provide excellent daily training for students of all ages and levels. This anthology includes the first four books in the A Dozen A Day series: Mini, Prep, Book 1 and Book 2. BONUS: The anthology includes orchestrated files that are accessible online!