From the first sentence, the author uses terms that aren't explained right away. Some answers are filled in along the way, but even at the end there are many questions left. If you are looking for a good read, it is highly recommended.
For authors, this book is an example of how to write a book in an untraditional manner. It would be a great exercise to read this book and rethink how you are presenting your story. How can your work defy the traditions of the genre? Does everything need to be explained immediately? Does your book have a good balance of subtle and direct elements?