2 books · Ages 6–9 · Chapter Books
Worry Warriors is a 2-book series for ages 6–9 by Marne Ventura. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, Nervous Nellie Fights First-Day Frenzy and Edgy Estella Enjoys the Sleepover Party are great first picks.
No particular order needed — browse and pick what catches your eye.