Bind-up of books: 12, 13 & 22
'The Cool Club': Mary-Kate and Ashley think new girl Elise is the coolest; so they're thrilled when she invites them to join her super-secret club. But then they find out that the kids in the club have a huge secret - and it could get them into some seriously uncool trouble.
'War Of The Wardrobes': Uniforms in school? Not cool! When White Oak decides the students have to start wearing uniforms, Mary-Kate and Ashley know they have to keep their cool and take action, or face a fashionless future.
'April Fools' Rules!': There's one day a year when it's cool to fool, and this April Fools' Day Mary-Kate and Ashley plan to be the best pranksters ever. But when they take a joke too far they put the Head's job on the line, and find out it's not cool to be fool!
Ages: 7-11
