2 books · Ages 4–9
If I Were a Space Moose is a 2-book series for ages 4–9 by D. P. Whitehead. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, If I Were a Space Moose and If I Were a Space Moose Too are great first picks.
No particular order needed — browse and pick what catches your eye.