After celebrating their first nine same-day birthdays together, Amanda and Leo, having fallen out on their tenth and not speaking to each other for the last year, prepare to celebrate their eleventh birthday separately but peculiar things begin to happen as the day of their birthday begins to repeat itself over and over again.

While continuing to help his classmates solve their problems, Humphrey, pet hamster of Longfellow School's Room 26, faces many surprises, like rolling in a hamster ball, a substitute janitor who might be an alien, and the possibility of Mrs. Brisbane retiring.

With the help of her understanding mother and a close friend, Jen eventually outgrows her nickname, Jinx, and deals with the deaths of two boys with whom she had been involved.

Ama, Jo, and Polly, three close friends from Bethesda, Maryland, are looking forward to high school, but wonder if their relationship will survive the challenges that each girl faces over the summer break.

Ellen's seemingly perfect marriage comes into question when she runs into Leo, the man who left her brokenhearted eight years before.

Seven teens facing such problems as pregnancy, closeted homosexuality, and abuse each describe in poetic forms what caused them to leave home and where they found home again.

Continues the story of the human Bella and the vampire Edward whose love is threatened by their difference, a werewolf named Jacob, and other outside influences.

Having decided to give up their "boy fast," the Pretty Committee finds itself at odds with the members of the Witty Committee over the new cheerleading squad and crushes on Derrington and Dempsey.

Three very different friends, Murphy, Leeda, and Birdie, struggle to cope with the joys and sorrows of love, family, and destiny as their friendship is tested beyond its limits.

Junie, Celia, and Danielle, three ethnically diverse high schoolers in Brooklyn, form a friendship while cooking dinners together and helping one another sort through their romantic entanglements.