Who wouldn't want to live in a treehouse? Especially a 13-story treehouse that has a bowling alley, a see-through swimming pool, a tank full of sharks, a library full of comics, a secret underground laboratory, a games room, self-making beds, vines you can swing on, a vegetable vaporiser and a marshmallow machine that follows you around and automatically shoots your favourite flavoured marshmallows into your mouth whenever it discerns you're hungry....

The Bad Guys, Mr. Wolf, Mr. Shark, Mr. Snake, and Mr. Piranha, want to be heroes, and they decide that the way to do it is free the 200 dogs in the city dog pound--but their plan soon goes awry.

When ten-year-old Nolan and his little sister, Olive, find Ben Franklin in their kitchen, they do their best to guide Ben through the new world he helped form.

Supremely confident middle school student Nate Wright manages to make getting detention from every one of his teachers in the same day seem like an achievement.

Arnie the talking doughnut is delighted to be Mr. Bing's new pet "doughnut-dog," so when Mr. Bing starts rolling gutter balls during a big bowling tournament, Arnie suspects foul play and sets out to solve the mystery.

Through a series of letters to his father, a private investigator, fifth-grader PJ "Clueless" McGee tells of his efforts to discover who stole macaroni and cheese from the school cafeteria.

After graduating from the superhero academy, Melvin Beederman heads for Los Angeles, where he unexpectedly teams up with Candace Brinkwater, school play actress, to nab the evil McNasty Brothers.

Greg records his sixth grade experiences in a middle school where he and his best friend, Rowley, undersized weaklings amid boys who need to shave twice daily, hope just to survive, but when Rowley grows more popular, Greg must take drastic measures to save their friendship.

With her uncle's cape, training from Grandpa Joe, a retired sheriff, and her drooling dog Raymond as her sidekick, fourth-grader Jo Schmo becomes a superhero, catching bank robbers and foiling Dr. Dastardly's plan to take over San Francisco using reanimated dinosaurs.

New friends Nilly and Lisa help eccentric professor Doctor Proctor to develop his latest invention, a powder that makes one fart, making them very popular at school, but someone is planning to steal the industrial-strength formula for evil purposes.