Seriously, WHAT is going on with Snake?! Terrible powers have been revealed! Evil allies have materialized! Inter-dimensional doors have opened! Shady-looking cloaks have been purchased! What is his deal?! And that's not all! Why does Agent Fox suddenly have a whole lot more backstory than we'd counted on?! Dang it! We need answers! WHAT IS GOING ON HERE?! Wolf and the gang are back. And things are worse than ever. Or badder than ever if you think...

Harold and George's time-traveling Purple Potty lands them in an alternate universe where everything seems delightful, but evil lurks just beneath the surface, and leads to a battle between Captain Underpants and his own evil twin.

This book introduces important people and events in American history, highlighting individuals who contributed to the nation's development over the centuries.

The Bad Guys next mission?Rescue 10,000 chickens from a high-tech cage farm. But they are up against sizzling lasers, one feisty tarantula, and their very own Mr. Snake...who's also known as "The Chicken Swallower." What could possibly go wrong?

The Bad Guys are about to have a very bad day! Mr. Wolf and his bad buddies have messed with the wrong guinea pig--one who is secretly an evil mad scientist. And, the nasty little furball wants revenge! Will they survive? Will they be heroes? And will they ever stop trying to eat each other? It's time for the Bad Guys to spring into action! Still yearning to be seen as heroes, Wolf, Shark, Snake, and Piranha set out to rescue ten thousand chickens...

Will is forced to overcome his fear of Wargals, the foot soldiers of rebel warlord Morgarath, as Araluen's army prepares to battle Morgarath's forces.

"It's a zombie kitten apocalypse! Can the Bad Guys save the world from evil Dr. Marmalade's meowing monsters?!? They'll need help from foxy Agent Fox, a swampy secret zombie antidote, and the feistiest, toothiest, hungriest granny around. Get ready to watch the fur fly!"--OCLC.

A snotty situation ensues when Melvin Sneedley, an academically-gifted student, turns into the Bionic Booger Boy and must be stopped by George, Harold, and Captain Underpants. By flipping the pages, the reader may view animated illustrations.

When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.

Chasing the Skandian slave-traders who kidnapped Will and Evanlyn, Ranger Halt and warrior student Horace find themselves in the frozen northern islands, where they battle a ruthless black-clad knight as they attempt to rescue their friends.