Chaos spreads when Douglas, the most eccentric sixth grader in Thaddeus G. Little Middle School, joins the Twinkie Squad, a special counselling group for problem students.

Tommy Frazer, a new student at Bell Valley Middle School, gets lost while trying to find his way back from the art room and stumbles onto a horrifying secret that has been hidden in the school for fifty years.

Ten-year-old Maxine is determined to become a famous inventor so she can take care of her younger brother's heart condition, and she convinces a troubled classmate to help her.

As she enters middle school, athletic twelve-year-old Lizard is dismayed to see her friends change into weird strangers and struggles with her own transition from tomboy to "girly-girl."

The kids in Room 207 take advantage of their teacher's good nature until she disappears and they are faced with a vile substitute.

Martin weathers the fourth grade while suffering through the prolonged visit of a difficult aunt and enduring the trials of a classic "middle child."

A series of letters reveals the selection of the famous fountain designer, Florence Waters, to design a new sink for the Geyser Creek Middle School cafeteria, her subsequent disappearance, and the efforts of a class of sixth-graders to find her.

A yard sale, ice skating, class pictures, and a surprise party are a few of the things that make fourth grade fun for Julio and his friends, but they must get serious about studying as the statewide end-of-year test approaches.

Sara Crewe, a pupil at Miss Minchin's London school, is left in poverty when her father dies, but is later rescued by a mysterious benefactor.

Edward, a shy, young bear unready for play school, feels out of place surrounded by students who are ready, busy, and happy.