This edition offers cleanly printed pages in an oblong format for ease of reading on the organ console. A must for the studio and for recital. The comb binding creates a lay-flat book that is perfect for study and performance. Titles: Opus 99, No. 1 in E Major * Opus 99, No. 2 in B Major * Opus 99, No. 3 in E-flat Major * Opus 109, No. 1 in D Minor * Opus 109, No. 2 in G Major * Opus 109, No. 3 in C Major.