Lin Oliver

It's time for PS 87's annual Olympiad, the most anticipated day of the school year....

It's report card day, the most dreaded day of Hank Zipzer's school year....

Hank Zipzer: He's smart. He's creative. He's funny. His pencils are sharpened....

It's science-project time, which is bad news for Hank....

Willow Feathers McBeaver, aka Detective Duck, is a crime-solving (and very precocious) little duck. She and her animal pals live on Dogwood Pond, a beautiful pond in New England adjacent to Lazy Days, a human campground....

When Hank's class takes a field trip to the zoo, he quickly gets lost after his partner (and nemesis) ditches him. Unable to read the map, Hank wanders and finds himself locked in a habitat with Elsie, an elephant recently rescued and kept isolated....

Buddy's out-of-this-world adventures continue! Since Citizen Cruel failed to capture Buddy, the Supreme Leader is left with no other choice: he must go to Earth himself to make sure Buddy is returned to his home planet for the ultimate punishment....

No one is shocked by the six-eyed alien strolling around the Universal back lot. The tourists just think he's part of the show. It doesn't take long for Buddy to land a role on a popular TV show, playing (of course) an alien....

Hank is nothing like his cousin Judith Ann. When she comes to stay with the Zipzer family while taking part in a junior chef competition, she gives off an air of perfection. She’s an excellent cook and doesn’t let Hank forget it, either....

Hank's school is hosting its first-ever Build-a-Robot competition, and Hank is ready to win. There's just one problem: He completely forgot about the contest....

When a well-known author of a beloved book series visits Hank's school, he and his two best friends get the chance to be her guide for the day and introduce her at an assembly....