"Jessica Darling's It List Series" is a middle-grade book series written by Megan McCafferty. It follows the life of Jessica Darling, a seventh-grader navigating the challenges of adolescence, friendships, and social dynamics at school. The series captures her humorous and relatable experiences as she tries to fit in and discover her identity. The series consists of several books, each focusing on different aspects of Jessica's life, including her relationships with friends and family. Through her journey, readers gain insights into the ups and downs of growing up, making it a popular choice for young readers seeking relatable stories.