Do you want me to tell you
Just Found This Book = Zodiac Unmasked by Robert Graysmith. The follow up book to Zodiac that the movie was based on.
I've found That reading The Book and watching The movie is Brill as you use your imagination More with a Book.
I Think I'll Buy it and See if it Coincides with The Movie.
But it Can't be That different as they are both based on a True Story.