Chronicles, in "instant message" format, the day-to-day experiences, feelings, and plans of three friends, Zoe, Maddie, and Angela, as they begin tenth grade.
Now high school juniors, Zoe, Maddie, and Angela continue to share "instant messages" with one another as one of them experiments with marijuana, another gets her first boyfriend, and the third moves three thousand miles away.
Sixteen-year-old Lissa's relationship with her best friend changes after they kiss at a party and Lissa does not know what to do, until she gets help from an unexpected new friend.
Fifth-grade best friends Katie-Rose, Milla, Yasaman, and Violet are determined to save a new student from Modessa's evil influence, but Katie-Rose is busy not flirting with Preston and all four are distracted by trying to organize Yasamin's sister's birthday party.
Four friends, who are each named after a flower, navigate the ups and downs of fifth grade through text messages, blog posts, screenplay, and straight narrative.
Fourteen-year-old Winnie counts down the days until she begins high school, but turmoil in her relationships with Lars, Dinah, Cinnamon, and her family provide Winnie with a distraction that allows her to ignore her own issues.
Winnie's thirteenth year brings many joys and challenges as she negotiates her relationship with her first boyfriend and realizes that change is inevitable in her friends, family, and even herself.
Winnie Perry is certain that she will gain more courage and responsibilities with her tenth birthday and, with her best friend Amanda by her side, Winnie is determined to make the most of her last year of elementary school.
Milla wonders if it is time to hold hands with her crush, Katie-Rose worries that no boy will ever be interested in her, and Violet is concerned about the return of her mother from a psychiatric hospital; meanwhile, Yasaman creates a plan that will distract the Flower Power girls from their worries and spark a romance between two teachers.