From the notebooks of a middle school princess / Cabot, Meg

Twelve-year-old Olivia is a half orphan who's never met her father. Everything changes when Mia Thermopolis, Princess of Genovia, invites Olivia to finally meet her father.

Tells the story of middle school student Olivia Grace Clarisse Mignonett Harrison, who is found to be the long-lost sister of Mia Thermopolis, Princess of Genovia.

"A middle-grade spinoff of The Princess Diaries, about the long-lost sister of Mia Thermopolis, Princess of Genovia"--.