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.

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!

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?

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?

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.

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?

Something weird is going on! Miss Suki is a famous children's book author - and she's coming to A.J.'s school! She lives in the rainforest and writes about endangered animals. But when her pet raptor gets loose in the classroom, it's the kids who are going to be endangered! Yikes!

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?

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!

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

Nory Horace is nine years old. She's resourceful, she's brave, she likes peanut butter cookies. Also, she's able to transform into many different animals. Unfortunately, Nory's shape-shifting talent is a bit wonky. And when she flunks out of her own father's magic academy, Nory's forced to enter public school, where she meets a group of kids whose magic is, well, different.

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!

Valentines Day is just around the corner, and Mr. Louie, the hippie crossing guard, wants everyone to fall in love. So he puts a secret love potion in the water fountain. Will A.J. have to kiss Andrea?