I also came across this book by accident, and even ordered it by accident (I don't order books for myself for about two months before Christmas, but somehow this got pulled off my "wish list" and wound up in a shipment with a book I ordered for work), but I'm glad I did. One of my main musical regrets is I never got to see WZ live, and reading Sean's book helps make up for that a little bit. It's basically a scrap book of posters, photos, notes, ticket stubs, and other stuff she collected over the life of the group with her running commentary. Its one shortcoming as a book reflects well on its author: unlike Keith Richards' "Life," Sean doesn't speak ill of bandmates (for the one exception I found, when she says in passing that one "short lived member" had a drug problem, she pointedly doesn't give a name, although fans know whom she means). Overall, the book is kind of like a more underground, casual version of Bill Wyman's book "Rolling with the Stones."
It's also a great coffee-table book that also functions as a litmus test, instantly revealing which of your houseguests suck and which are worthy. For that function alone, it is worth the price of admission.