With their Very Exciting Spy Technology and their tried-and-true, toilet-based travel techniques, the InvestiGators are undercover and on the case! And on their first mission together, they have not one but two mysteries to solve! Can Mango and Brash uncover the clues, crack their cases, and corral the crooks--or will the criminals wriggle out of their grasp?

"Petey the Cat is out of jail, and he has a brand-new lease on life. While Petey's reevaluated what matters most, Li'l Petey is struggling to find the good in the world. Can Petey and Dog Man stop fighting like cats and dogs long enough to put their paws together and work as a team? They need each other now more than ever--Li'l Petey (and the world) is counting on them!"-- Provided by publisher.

"The Supa Buddies bamboozled the baddies, but all's not right in the world. Dog Man has a new problem to pound, and he's going to need his entire pack to help him. Will he go barking up the wrong tree?"--Provided by publisher.

"The investiGATORS chase after a new criminal... but they're about to face an even bigger villain! Can Mango and Brash put a stop to this looming threat?"-- Page [4] of cover.

Katie loves skating with the Wheel-las and the fact that she's officially a superhero sidekick. But now that school's starting, everything's changing. The Mousetress is getting blamed for things Katie knows she didn't do. Sidekick training is NOT as exciting as she'd hoped. Katie's best friend Beth is back in town and Beth's new boyfriend is always hanging around (ugh!). Not to mention that all of Katie's friends are mad at her. Fixing this will be...

"Dog Man, the newest hero from the creator of Captain Underpants, hasn't always been a paws-itive addition to the police force. While he can muzzle miscreants, he tends to leave a slick of slobber in his wake! This time, Petey the cat's dragged in a tiny bit of trouble-- a double in the form of a super-cute kitten. Dog Man will have to work twice as hard to bust these fur balls and remain top dog!"--WorldCat.

"What happens when the world's biggest cat video star gets accused of a crime she didn't commit? She becomes a cat on the run, that's what. But how do you avoid capture and prove your innocence when you are the most famous feline on the planet? Well, it ain't easy. Follow Princess Beautiful--for that is her name--as she goes from meme megastar #1 to public enemy #1 and cheer her on as she fights to clear her name. Is she a super villain? An internet-famous...

"The Upside Down, a place only seen before in psychic visions and nightmares. Will Byers doesn't know what to call the shadowy realm he finds himself in, but he is certain that he is alone and far away from anything close to safe. A strange shrieking monster lurks around every corner and familiar voices drift through the air from the other side. To survive, Will holds onto the lessons he's learned in the camaraderie of his friends, and the hope that...

"Forget what you know. This book changes everything. Take a deep breath Hermano, it's...The Bad Guys 18th book!"--Back cover.

"Geronimo, Thea, and Trap were invited to a spine-tingling mystery dinner at Cacklefur Castle! There they find spiders, bats, and ... something slimy! Can Geronimo solve the mystery before he is frightened out of his fur?"-- Page [4] of cover.