The thirteenth installment in the bestselling DORK DIARIES series, now with over 45 million books 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 Mom 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?!

Other books in the DORK DIARIES series:
Book 1: Dork Diaries
Book 2: Party Time
Book 3: Pop Star
Book 3 1/2: How to Dork Your Diary
Book 4: Skating Sensation
Book 5: Dear Dork
Book 6: Holiday Heartbreak
Book 7: TV Star
Book 8: Once Upon a Dork
Book 9: Drama Queen
Book 10: Puppy Love
Book 11: Frenemies Forever
Book 12: Crush Catastrophe
Book 14: Spectacular Superstar
Book 15: I Love Paris! (October 2020)