4 books · Ages 7–10 · Early Readers, Chapter Books
The Fourth Floor Twins is a 4-book series for ages 7–10 by David A. Adler. Each book stands alone — start anywhere.
Where to Start
Start anywhere — each book stands alone.
That said, The Disappearing Parrot Trick and The Fish Snitch Mystery are great first picks.
All Books
No particular order needed — browse and pick what catches your eye.
