It was a movie first.
yes
Crispin Glover as an older George McFly.
yes it is technically
There are novelizations. These are different to the films, however.
book
the book
a book
Movie.
no there is only a movie 4 the first book
back to the future
Gray's Sports Almanac
The first book and the first movie is The Girl With the Dragon Tattoo. The Girl Who Played with Fire is the second book and the second movie, and The Girl Who Kicked the Hornet`s Nest is the third book and movie.