When Ella Mentry School holds a science fair, Dr. Snow arrives to help A.J. and his friends conduct their experiments.

Sam Graves discovers that his elementary school is alive and plotting against the students, and, as hall monitor, it is his job to protect them--but he will need some help from his friends.

When Lila, a worrier, moves to a new town, the what ifs only grow, and she feels alone and invisible until her teacher finds a creative and kind way to make Lila feel welcome and open to new experiences, a lesson that will stay with her long after second grade.

The Notebook of Doom is missing and Alexander and his fellow-monster hunters, Rip and Nikki, are convinced that the boss-monster has it; but is that monster the mysterious Principal Vanderpants, who is certainly behaving oddly, or someone else--and they need to figure that out quickly because a mistake could have deadly consequences for Stermont Elementary.

Henry, a first grader on the autism spectrum, attempts to navigate friendships, and sudden changes in classroom routines--like a parade on Friday instead of share time.

Getting a chance to choose a guest speaker at their third grade graduation, A.J. and his classmates have their minds set on the most popular singer and rapper in the world, Lil Mouse, to have the greatest graduation in the history of graduations.

Stella Endicott loves her teacher, Miss Liliana, and she is thrilled when the class is assigned to write a poem. Stella crafts a beautiful poem about Mercy Watson, the pig who lives next door -- a poem complete with a metaphor and full of curiosity and courage. But Horace Broom, Stella's irritating classmate, insists that Stella's poem is full of lies and that pigs do not live in houses. And when Stella and Horace get into a shouting match in the...

"A guest is coming to Ella Mentry School! It's local TV meteorologist Sprinkles Newman, who is going to teach A.J. and the gang about the weather. but what happens when a real storm heads for the school? The forecast calls for a 100% chance of weird!"--Page 4 of cover

A.J. and his friends get a Personal Digital Assistant named Miss Porter as a substitute teacher, who can order pizza and tell endless jokes, but grows power-hungry when her system is changed and tries to take over Ella Mentary School.

Alexander keeps seeing monsters he has previously conquered, but every time he gets close they disappear and his friends are beginning to think he is delusional--but when one of their teachers turns into a blob of super-goop right before their eyes they realize the team is dealing with a shape-shifter, and it is after the Notebook of Doom.