You Died: The Dark Souls Companion features a Tune & Fairweather logo on page 6. It’s surrounded by shattered pieces.
Close inspection reveals that some of the lines form the initials of the book’s main contributors.
Keza MacDonald & Jason Killingsworth: Authors
Andrew P Hind: Art Director, Trey Killingsworth: Partner in building the publishing house.
Paul Scott Canavan & Angus Dick: Illustrators