Ravi has just moved to the United States from India and has always been at the top of his class; Joe has lived in the same town his whole life and has learning problems--but when their lives intersect in the first week of fifth grade they are brought together by a common enemy (the biggest bully in their class) and the need to take control of their lives.

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

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 classroom,...

Alexander and his new friend, Rip, are worried that the worms the rain has brought out are really the megaworms that Notebook of Doom describes but they soon discover that the night crawlers are trying to warn them about the monster tunnel fish that are threatening Stermont Elementary.

A snowstorm traps the students inside Eerie Elementary, and soon the school begins to freeze from the inside out. Sam uncovers that this big freeze is a living, breathing monster brought to life by mad scientist, Orson Eerie--and Sam, Lucy and Antonio must find a way to get the heat back on before all the students freeze to death, while facing the truth that Orson Eerie is even more powerful and dangerous than they realized.

Alexander's class is going on a sleepover at the Stermont Museum, but something is stealing bright, shiny objects from all over town, including the museum's treasured Ruby Scorpion, and on the night of the visit, the young monster hunters finally confront the town's newest monster--a warrior covered entirely by bubble-wrap.

Macy's little sister has wings that are too small, so Eva's class decides to raise money to buy her a flying chair, and half the class opens a bakery, and the other half opens a candy store--but soon competition between the two stores becomes more important than their goal, and Eva needs to convince the other owls that they will collect more money if everyone works as a team.

Jules is an ordinary seven-year-old girl, concerned with school and friends and other ordinary things--until a chance meeting with a casting director leads to an audition for a television commercial.

Journeying to Mars with Sylvie and Elliot to search for Sylvie's missing father, dinosaur-human hybrid Sawyer discovers that Mars has been trying to bully Pluto out of the solar system, a conflict that is addressed through a planetary soccer match.

Since the Notebook of Doom was stolen Alexander and the other monster hunters of Stermont Elementary have been operating without its assistance and now they are confronted by a large and stinky monster with eight powerful noses that can deliver a slimy sneeze with the power of a cannon--and somehow they must figure out its weakness.