"Dork Diaries: Once Upon a Dork" is the seventh book in the popular Dork Diaries series by Rachel Renée Russell. The series follows the life of Nikki Maxwell, a socially awkward middle schooler who writes about her experiences in a diary format. The books are known for their humorous, relatable, and often exaggerated portrayal of the ups and downs of middle school life.

"Dork Diaries: Once Upon a Dork" is the seventh book in the Dork Diaries series by Rachel Renée Russell. The story follows Nikki Maxwell, a middle school girl who navigates the ups and downs of her awkward life. In this installment, Nikki faces a series of challenges as she prepares for the school’s annual Winter Wonderland Dance. Nikki’s life gets even more complicated when she is caught up in a rivalry with her nemesis, Mackenzie Hollister, who is determined to make Nikki's life miserable. Meanwhile, Nikki's crush, Brandon, seems to be growing closer to her, though Nikki's insecurities make her unsure of how to approach their relationship. The story is told through Nikki’s diary entries, which include her thoughts, doodles, and observations about her friends, school, and family. As Nikki deals with the typical middle school drama, she learns important lessons about self-confidence, friendship, and how to embrace her true self.