Unlimited Squirrels books in order A series by Mo Willems
The Unlimited Squirrels series by Mo Willems has 5 books (3 novels and 2 shorter works), from Because (2019) to Me and Other Bunnies (2025). Read it in order, starting with Because.
Reading order: 1 Because (2019) · 2 Opposites Abstract (2021) · 3 Are You Big? (2024) · 4 Are You Small? (2024) · 5 Me and Other Bunnies (2025)
Updated September 2026
All 5 Unlimited Squirrels books in order
- 1.
Because (2019)
- 2.
Opposites Abstract (2021)
- 3.
Are You Big? (2024)
- 4.
Are You Small? (2024)
- 5.
Me and Other Bunnies (2025)
Unlimited Squirrels FAQ
- How many Unlimited Squirrels books are there?
- There are 5 Unlimited Squirrels books, as of September 2026.
- What order should I read the Unlimited Squirrels books in?
- In publication order, starting with Because (2019): 1 Because (2019) · 2 Opposites Abstract (2021) · 3 Are You Big? (2024) · 4 Are You Small? (2024) · 5 Me and Other Bunnies (2025).
- What is the first Unlimited Squirrels book?
- Because (2019).
- What is the latest Unlimited Squirrels book?
- Me and Other Bunnies (2025).
- Is the Unlimited Squirrels series finished?
- No, Mo Willems is still adding to it.
- Did Mo Willems write other series?
- Yes: Knuffle Bunny, Pigeon, Elephant & Piggie and Cat the Cat.
More series by Mo Willems
All Mo Willems booksKnuffle Bunny
5 books
Pigeon
19 books
Elephant & Piggie
24 books
Cat the Cat
6 books
Sources: series order and dates from Wikidata and Open Library. Last updated September 2026.