Confronted by a bullying cat ghost when they move in with their new human family, two former shelter cats are blamed for all kinds of mischief before endeavoring to uncover the ghost's story.

"Blue River Creek has a problem: There's a pet thief on the loose! Or at least Iggy and Sofia are convinced that there is. But as a scientist, Ada knows it's important to follow the facts and not jump to conclusions. And the only fact they have right now is that a lot of pets are missing. How will Ada, Iggy, Rosie, Sofia, and Aaron figure out what happened to the town's pets? With the scientific method, of course! Through making a hypothesis, collecting...

Sofia is put in charge of overseeing a fair election for a class pet, but first the Questioneers must learn about elections and good journalism--and remember that being a community matters most. Includes facts about the Delano Grape Strike, presidential elections, journalism, and the importance of voting.

When Bat's older sister Janie gets a part in the school play, and can't watch him after school, it means some pretty big changes. For one, someone else will have to take care of the skunk kit in the afternoons.

With the help of a very special pit bull puppy, twelve-year-old Hannah adjusts to moving from Michigan to California and makes friends, despite the birthmark that makes her self-conscious.

Wilbur, the pig, is desolate when he discovers that he is destined to be the farmer's Christmas dinner until his spider friend, Charlotte, decides to help him.

"Mason and Ty were once the very best of friends, like two nerdy sides of the same coin...until seventh grade, when Ava Petrakis came along. Now Mason can trace everything bad in his life to that terrible fight they had over the new girl. The one thing he'd give anything for is a do-over. But that can't happen in real life--can it? As a science kid, Mason knows do-overs are impossible, so he can't believe it when he wakes up from a freak accident...

"Before they can work on getting Bunwinkle's confidence back, a new case lands in their laps, well, actually their trash cans when Shoo the raccoon asks for help. The neighborhood humans think he's behind a series of garbage upheavals and home break-ins,but he swears he's innocent. Just because people call him a trash bandit doesn't mean he is one"--

Rebecca Zamolo has managed to foil the Game Master's plans before, but this time the Game Master has snake-napped Nacho, her good friend Miguel's pet. No way is Becca going to let the Game Master get away with this dastardly plan. But when the clues lead Becca and her new friends in the direction of the one house in their entire neighborhood that none of them ever want to go near, they know they have no choice but to screw up their courage and dare...