How many of nicholas sparks books have been made into a movie?

Message In A Bottle, The Notebook, A Walk To Remember, Nights In Rodanthe, Dear John(it comes out february 5, 2010), The Last Song (it come out April 2, 2010), and The Lucky One, At First Sight, and True Believer are going to be movies. The fillm rights for the Lucky One have been sold...not really that much info on True Believer and At First Sight yet... :D :D :D