2 books · Ages 4–8 · Poetry
Ten Rules You Absolutely Must Not Break is a 2-book series for ages 4–8 by John Grandits. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, Seven Rules You Absolutely Must Not Break If You Want to Survive the Cafeteria and Ten Rules You Absolutely Must Not Break If You Want To Survive The School Bus are great first picks.
No particular order needed — browse and pick what catches your eye.