2 books · Ages 4–10 · Chapter Books
Scooby-Doo! is a 2-book series for ages 4–10 by Robbie Busch. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, Ready-To-Werewolf and Velma and the Mystery of the River Ghost are great first picks.
No particular order needed — browse and pick what catches your eye.