Keith's was good, written in his voice and I especially liked reading how he got his sound with 5 string guitars, and how he spread it to others.
I read "Stone Alone" years ago and Keith's is immeasurably better. (And Stone Alone wasn't bad).
Mick's reaction has been amusing It's just that- a reaction. Mick's got nothing and really, no reason to write a book now. No one cares about his dealings with corporate sponsors. We already know how the music got made.