 The story of Mia Thermopolis' adolescent turmoil as an average teenager and, as she later finds out, a princess of royal descent (her father), is chronicled in her on-going journal, where she explores topics of teenage angst, romance, and heartbreak as she lives and learns from them.The main series follows Mia from her freshman year of high school to her graduation, with a two-year jump between the ninth and tenth books and an eight year jump from the tenth to eleventh.The series is set primarily in the Manhattan borough of New York City.