This is a unique book, no doubt. The author has really given me some interesting perspectives on Björk's music. She travels to the depths of many aspects in the artist's albums and songs, as well as using things outside of the music production, to make her case about what the different albums and songs represent and how they came to sound the way they do. Basically, the author's main objective is to illuminate to us how things in the artist's life and her environment affect the music she makes. She succeeded, and her theories are impressive. The author's theories on the symbolism found in Björk's music are quite interesting.
As a musician and a fan of the artist, this was an important read. I recommend you read this if you love her music, for you will obtain understandings that can't derive from any other book. You can't fully understand her music without understanding how her environment shapes it with each album.