2 books · Ages 7–12 · Chapter Books
The Tardy Boys is a 2-book series for ages 7–12 by Todd Strasser. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, Is That a Sick Cat in Your Backpack? and Is That an Angry Penguin in Your Gym Bag? are great first picks.
No particular order needed — browse and pick what catches your eye.