Fantasy .
the crow
Most of the ones written after 2000 or so have not been made into movies, including Cell, Lisey's Story, and Duma Key. A great number of his short stories have not been made into movies, either.
There have been thousands upon thousands of movies that have been made in America. Some of the most popular are Jaws, The Amityville Horror, E.T. the Extra-Terrestrial, and Forrest Gump.
Slasher Flicks and movies about serial killers
Of the books in the Oz book series, it's The Wizard of Oz.
A samurai, righting a wrong
The most popular actor can be said as Shah Rukh Khan. He is the greatest actor as the number of movies he has done is tremendous. His movies are mostly of romantic genre.
Raiders of the Lost Ark and Indiana Jones and the Last Crusade are two of the most enjoyable movies.
Louis L'Amour could very be the answer regarding films made from books. Zane Grey has published 85 books. Until I see otherwise I think we should go with your answer.
There have been hundreds of popular Punjabi movies made. Some of the most popular films include Chhevan Dariya, Simran, Heaven on Earth, Mitti and Hashar.
No, most old movies are made on VHS.