When Jeremy is entrusted with Professor Twitchett's creation, a jackalope, he must find a way to keep it safe from the government agents who want it for their own purposes.

Everyone seems to have an idea for the science fair except for Yasmin, but after some failed experiments Yasmin's snack break with Nani inspires an idea.

Third-grader Zeke Meeks needs to win the prize in the science project contest because the class bully is threatening him, but so far all his ideas are ending in messy disasters--can his friend Hector save the day?

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

When his project malfunctions during the Intergalactic Science Fair, will Zack, a boy from Earth living on the planet Nebulon, be able get things under control before disaster erupts?

The students of Mouseford Academy are participating in an enormouse science fair! Mice from schools around the world are all hoping to take the top prize. The Thea Sisters would love to win, but so would Ruby Flashyfur and she's willing to do whatever it takes! Can these mice play nice, or will the science fair be a total flop?

"Ever since Amp crash-landed his spaceship through Zack McGee's bedroom window, Zack's life has gotten crazier and his grades have gone from bad to worse. Who has time for homework when there's an alien invasion to stop? But now Zack's up against his greatest challenge yet-- the school science fair. If Zack doesn't get an A on his project, he's going to flunk the class."--Jacket.

Last year Keith Emerson invented Sweet Farts, tablets that make farts smell good. Now he has become the center of all kinds of attention he doesn't want. Even worse, the school science fair is just weeks away, and everyone expects Keith to top his last invention.

"Yara is out to prove that she's the greatest scientist in town! Her annoying neighbor, Eddie, always wins the science fair, but this year is going to be her year. Like every good scientist, Yara starts with a question, makes observations, and comes up with a hypothesis ... but each time she starts an experiment, her dog, Renzo, ruins it! Could Renzo be up to something more than making trouble?"--

"Seventh grader Wendy Toledo knows that black holes and immigration police have one thing in common: they can both make things disappear without a trace. When her family moves to a new all-American neighborhood, Wendy knows the plan: keep her head down, build a telescope that will win the science fair, and stay on her family's safe orbit. But that's easier said than done when there's a woman hiding out from ICE agents in the church across the alley,...