A super diary story featuring Mary-Kate and Ashley Olsen, the coolest twins on the planet. It's Hallowe'en - do you Dare to Scare?
Ashley is so psyched - the coolest girls in the school want her to hang out with them and help put together their Hallowe'en party! But mean Dana Woletsky thinks only she should be friends with the cool girls, and she'll do whatever it takes to keep Ashley out of their group! Meanwhile, Mary-Kate, too, has been invited to join the cool crew - but you'll never believe what they want her to do first!