Do not buy anything. Go to the library and get some books and some tapes. Youtube has some excellent instruction as well. There is no best book or best video. Get a golf for dummies book for the basics. Learn how to hold the club. Get a good grip and practice swinging in your back yard with plastic wiffle balls. Read a bunch of books, make notes. Watch Ben Hogan on Youtube. Mimic his swing. Go to Youtube and type in Ben Hogan.