WORLD Book Day is being marked once again at Okehampton Library next week, with the ever popular Mega Book Sale. The event takes place on Thursday, March 2 between 9.30am and 12noon. Celebrations will also feature several book promotions to whet bookworms? appetites. Volumes on special offer will include literary prize winners from the Booker, Orange and Whitbread lists. Popular Richard and Judy Book Club selections will also feature. Books from the ?Christmas Surprise Reads? will also be on offer, accompanied by the reviews of the readers who picked the gift-wrapped book out of the pile of presents by the festive fireplace in the library.