"After leaving the Cloak Society and teaming up with the Junior Rangers of Justice, Alex Knight must learn to work with the superheroes who were once his sworn enemies"--

Calling all graphic novel fans! Get ready for sidekick training (and  friendship drama!) with Katie the Catsitter in book 3 of the purr-fectly irresistible, bestselling middle-grade graphic novel series about growing up, friendship, heroes, and cats (lots of cats)!
“Readers will revel in the heroic antics.” —The New York Times
What’s better than BFFs? Super sidekick BFFs! Katie can’t wait to have...

When Alabaster Academy, a school for students with superpowers, comes under attack, Joshua and his friends must stop evil Phineas Vex from finding a mysterious key that will enable complete world domination for whoever possesses it.

Poison Ivy uses a giant Venus Flytrap to break out of Arkham Asylum, but Batman figures out a way to turn the tables on Ivy and add her deadly plant to the collection of trophies in the Batcave.

Katie is dreading the boring summer ahead while her best friends are all away at camp--something that's way out of Katie and her mom's budget, UNLESS Katie can figure out a way earn the money for camp herself. But when Katie gets a job catsitting for her mysterious upstairs neighbor, life get interesting. First, Madeline has 217 cats (!) and they're not exactly . . . normal cats. Also, why is Madeline always out EXACTLY when the city's most notorious...

Joshua Dread accepts an invitation to Gyfted & Talented, a summer program for children with superpowers, but he and his friends have been chosen to form the greatest superhero team of all time, and their newfound fame could mean big trouble with Joshua's supervillain parents.

One of the trophies in the Batcave is Mr. Freeze's freeze ray, which he uses to create a zone of intense cold around himself as he attempts to steal a valuable diamond necklace--and it is up to Batman to stop the supervillain.

Publisher Annotation: It's the first winter after the Monster Apocalypse. For Jack and his buddies, that means sled catapults, epic snowball battles, and one monstrous Christmas celebration. But their winter wonderland turns dark when a villainess begins hunting them. And this villainess is different?she?s a human. When the villainess steals Jack's prized monster-slaying tool, the Louisville Slicer, he vows to get it back. But it won?t be easy. Jack...

George and Harold are always good at using their imaginations, and that drives their mean homeroom teacher, Ms. Ribble, crazy! But this time, they've come up with much more than a silly prank -- they've accidentally created a MONSTER! With her horrendous hairdo and two rabid robots, Wedgie Woman is well on her way to world domination, and only the Waistband Warrior can stop her!