Welcome to Nikki Maxwell's aDORKable world and the mega-selling Dork Diaries series – now with over 50 million copies in print worldwide! OMG! Nikki's birthday party is going to be beyond awesome! Her BFFs are planning a SUPERcool pool party, with a cake, a DJ, and the perfect invitations. Organizing a big party for one hundred people is easy, right? UMMM wrong! When her mum says it's too expensive, soon it's looking like Nikki's dream party will be a total dorky disaster - cringe! Can Nikki and her BFFs come up with a plan to save the day, or will there be major birthday drama?!