A.J. thinks that nothing can possibly be as boring as a sleepover in the natural history museum. However, anything can happen when Ms. Krup is in charge. She says the dinosaur skeletons come to life in the middle of the night. Is she right?

Something weird is going on! Mrs. Yonkers, the computer teacher, is the nerdiest teacher in the history of the world. She can type with her feet! She buys foam cheeseheads off eBay! She even puts a Webcam on a turtle! Is she trying to take over the planet?

Forget Thanksgiving. The biggest turkey of all is running around Ella Mentry School - Dr. Carbles, the president of the school board. He is grumpier than ever and wants to fire Mr. Klutz. Will A.J. and his friends be able to save their principals job?

Miss Lazar, the janitor, likes to dance around the school with a mop. She has a secret room in the basement where she keeps the bad kids, and she's the weirdest custodian in the world.

Disaster reigns when A.J. participates in the school's holiday pageant celebrating Christmas, Hanukkah, and Kwanzaa.

Something weird is going on! A.J. and his friends are afraid that Ms. Todd, their substitute teacher, has killed their regular teacher and is trying to take over her job. They’re going to have to do the detective work to get the goods on her. But it won’t be easy! Ms. Todd is the weirdest substitute teacher in the history of the world!

What could be weirder than a mad science teacher who invents a car that runs on potatoes and wants to take over the world? How about a bus driver who can't even "find" the weirdest school on the planet?

A.J. and the other students at Ella Mentry School brave trick-or-treating at the school secretary's house, even though it is supposedly haunted. Mrs. Patty, the secretary, gives out the best Halloween candy in the history of the world! But her house is haunted! People say she's a witch and her husband is a ghost. Is it worth A.J.'s risking his life for the best candy ever?

Mr. Macky dresses up as Abraham Lincoln to get the students at Ella Mentry School excited about their Presidents' Day oral reports.

It's Poetry Month and Ms. Coco, who runs the gifted and talented program, is poetry crazy! She cries when she sees a sunset! She thinks boys should have feelings! She talks in rhyme! All the time! Will A.J.'s life ever be normal again?

With over one million copies of his books in print, New York Times best-selling author Dan Gutman is a hit with young readers thanks to his energetic stories tinged with uproarious humor. Mrs. Kormel Is Not Normal! introduces Ella Mentry Elementary School's zany bus driver. Mrs. Kormel has been driving everyone crazy lately, and it's up to AJ and his buddies to figure out why.

Nerdy Nelson wakes up on his 10th birthday to discover he has incredible ninja powers!

Franny K. Stein isn't a fan of glamour. She doesn't style her hair, the thought of wearing makeup makes her want to gag, and she couldn't care less about wearing dressy dresses when she'd much prefer her lab coat. But sometimes Franny wonders if her mom wishes she were different. Which gives Franny an idea...for an experiment! What if she can turn the beauty products her mom loves into something more exciting? Every experiment has its experimental error, and when Franny's hair takes on a life of its own, Franny must save the day (and her hair).

Freddy Thresher has a problem: a really, really, big problem. He's the only one in his class who hasn't lost a tooth! All of the other students in Mrs. Wushy's first grade have signed their names on the Big Tooth, and Freddy's determined to get his name on it, too. So when Max "The Meanie" Sellars calls Freddy a baby, Freddy decides he's going to lose that tooth one way or another, even if it means getting punched in the face at recess, and even bigger trouble, with Mom!

Hotdog and his friends are going on a mad adventure to help a baby bird find his missing mom! They'll climb to crazy heights to find her! But can they handle dirty diapers and karate-chopping roosters along the way?

Is she Mrs. Porter...or a witch? Karen lives next door to an old lady named Mrs. Porter. Mrs. Porter wears long black robes and has wild gray hair. Her black cat is named Midnight. No wonder Karen thinks Mrs. Porter is a witch! Mrs. Porter is having a meeting at her house. Karen is sure the meeting is for witches. Are the witches going to cast a spell on Karen? Or will she be brave enough to send them away - once and for all?

Sixth grader Greg Heffley doesn't understand his annoying younger brother, obnoxious older one, or well-meaning parents. But he knows enough to record his daily thoughts in a manly journal - not some girly diary. In a unique novel brimming with laugh-out-loud moments, Greg chronicles his first turbulent year of middle school.

"Are you in a bad mood or something?" asked Rocky. "Or something," said Judy Moody. Bad moods, good moods, even back-to-school moods - Judy Moody has them all! When her teacher assigns the class the task of creating "Me" collages, it puts Judy in a cut-and-paste mood! Meet Judy Moody, her little "bother" Stink, her best friend Rocky, and her "pest" friend Frank Pearl. They're guaranteed to put you in a very Judy Moody mood... or something.

Judy Moody is making a list and checking it twice, but all her brother, Stink, wants this year is snow. It hasn’t snowed on Christmas in Virginia in more than a hundred years, however, so what are the chances that that will change? Enter the new mailman, Mr. Jack Frost, who not only looks like a jolly old elf but also seems to know a lot about weather patterns, has a fondness for the cold, and works looooooong hours during the holiday season.

Fourth graders George Beard and Harold Hutchins are a couple of class clowns. The only thing they enjoy more than playing practical jokes is creating their own comic books. And together they’ve created the greatest superhero in the history of their elementary school: Captain Underpants! His true identity is SO secret, even HE doesn’t know who he is!