Ella Mentary School is having a science fair! Guest scientist Dr. Snow has arrived to help A.J. and his friends conduct their own cool experiments. But what is "the snowman" really planning? And what does STEM even stand for anyway?

The weather outside is frightful! The temperature is dropping fast, and Rosie, Molly, and Simon are determined to come up with a way to keep their feet from freezing off on their walk to school. But can they finish their plan before the next snow-pocalypse?

"Time out! Simon got Max Brutus's prized World Cup soccer ball stuck in the tallest tree in Picasso Park! Now he's in more trouble than a tater tot in ketchup. Can his friends at Table 5 help him get the ball before the big game? Or has Simon's luck maxed out?"--

"Ned convinces the Science Squad to spend their summer tracking down an invasive species that might be threatening the Chesapeake Bay, the elusive Chinese Mitten Crab"--

When a wild new student, rumored to have fleas, is paired with the narrator for a science project, she proves there is a lot more to her--and her unusual family--than anyone could have guessed.

Cash, Fitch, and Bird Thomas are three siblings in seventh grade together in Park, Delaware. In 1986, as the country waits expectantly for the launch of the Space Shuttle Challenger, they each struggle with their own personal anxieties. Cash, who loves basketball but has a newly broken wrist, is in danger of failing seventh grade for the second time. Fitch spends every afternoon playing Major Havoc at the arcade on Main. And Bird, his twelve-year-old...

Jake is determined to win the third grade science fair not only for the grand prize, but to beat the annoying class know-it-alls, as well.

When all the second grade students must enter the science fair, which has global warming as its theme, best friends Ivy and Bean team up to create an unusual project.

Miss Winkle separates the class into teams and instructs them to build towers out of paper cups, and the group who builds the tallest tower wins--but they have very little success until Pedro has an idea about how it can be done.

For the first time in years Eerie Elementary is planning a science fair, which may not be a good idea in a school which is alive and out to get the students--but when Sam and his friends find a book of experiments that contains all of Orson Eerie's notes, it may turn out to be the key they need to finally understand the mad scientist.