Gooney Bird Greene, an entertaining second grader who introduces challenging vocabulary words and tells "absolutely true" stories, finds a surprise room mother to bring cupcakes for the Thanksgiving pageant.

When Nancy Clancy finds out that both her guitar teacher, Andy, and her favorite babysitter, Annie, have broken up with the people they were dating, she decides to make them fall in love on Valentine's Day.

As Valentine's Day approaches, the students in Room 2B are preoccupied with kickball and a possible wedding between Horrible Harry and Song Lee.

When Groundhog is unable to sleep, he experiences autumn and winter holidays he never knew about, and then he finally falls asleep before Groundhog Day.

The students in Mrs. Madoff's class share how they will celebrate Mother's Day with their families.

At Green Lawn Elementary, the entire school becomes involved in a mystery when Mr. Bones, the skeleton in the nurse's office, disappears.

Mrs. Madoff's preschool class learns about President's Day and puts on a play about the men who inspired the holiday, particularly those featured on Mount Rushmore.

On Valentine's Day, Gilbert brings a tin of homemade cookies and his original nice or nasty poems to school.

Gustavo is good at doing all sorts of ghostly things: walking through walls, making objects fly, and glowing in the dark. And he loves almost nothing more than playing beautiful music on his violin. But Gustavo is shy, and some things are harder for him to do, like getting in a line to buy eye scream or making friends with other monsters. Whenever he tries getting close to them, he realizes they just can't see him. Now that the Day of the Dead is...

The family busily prepares for Thanksgiving and has a grand feast with visiting relatives. Includes Thanksgiving poems.