It’s not one you can read.
It’s the one you write.
All the books out there have valid points, some many more than others. Your best teacher in the journey of writing a book is the journey itself.
Your mentor is the path, observe what it teaches you, let yourself get sidetracked, frustrated, excited and moved to tears, and when you write The End – you have written the best book on writing.
So instead of surfing for a book that promises whatever by whenever… go do what the greatest writers of all time have done: