I have recently purchased a copy of The Complete Organ Works of Bach directly from Kevin Mayhew. When the box came it was much bigger and heavier than I initially anticipated. Once opened the box revealed a stunning folder containing 4 volumes of Bach's organ works, simply categorised Volume One, Two, Three and Four. Volume one contains the earliest of his work through to Volume Four containing the music from the latter part of his Career.
The books are magnificently presented in their folders in an easy to read and highly useable format. I was initially a little concerned about opening the book too wide in fear of creasing the pages.
A biography of all his work and where in the volumes to find them is contained in the last few pages of each book along with his life story and performance notes and the front.
All round this is a fantastic product and collectors item. The price is a little steep at £250, but for those who can afford it you are guaranteed to be impressed.