Books About Sizes

The Best Sizes Books for Kids

By the Bookroo Editors

Looking for excellent children's books about sizes? This collection brings together Bookroo's highest-rated and most useful picks in one place.

Start with our editorial favorites, then browse recommendations organized by reading stage to find the right book for your reader.

It's Not Easy Being Big!
Series
The Shortlist

Our 4 Favorite Books About Sizes

Sale price
$759
Board Book · Ages 0–4 · 1998

It's Not Easy Being Big!

Bright & Early Books series

Big Bird and Elmo explore the ups and downs of size.

48 pages· 131 words· Est. 2 min read-aloud
3.9/5 Goodreads · 666 ratings
$7.99Save 5%
Hardcover
Summary: Big Bird and Elmo explore the ups and downs of size. When is being big a burden, and when is being small a struggle? Discover the surprising truths they uncover.
Picture Book · Ages 2–6 · 2014

You Are (Not) Small

By Anna Kang, Christopher Weyant (Illustrator) · Book #1 in the You Are (Not) Small series

Two creatures debate size until unexpected guests change everything.

Theodor Seuss Geisel Award (2015)
32 pages· 93 words· Est. 1 min read-aloud
4.8/7 Bookroo·4.1/5 Goodreads · 5,842 ratings
$16.99Save 6%
Hardcover
Summary: Two fuzzy creatures argue over who is big and who is small. Their playful banter takes a surprising turn when unexpected guests arrive, challenging their perceptions. In this humorous tale, size is all about perspective. Will they finally see eye to eye?
Picture Book · Ages 3–5 · 2024

Are You Big?

Explore the universe to discover if size is just a matter of perspective.

32 pages· 82 words· Est. 1 min read-aloud
3.7/5 Goodreads · 576 ratings
$17.99Save 6%
Hardcover
Summary: A simple question—are you big?—launches a journey from an average kid to the vast M100 Galaxy. This playful exploration of size and scale challenges perceptions, blending bold art with real-world science. Discover how perspective changes everything in this engaging STEAM adventure.
Picture Book · Ages 4–7 · 2021

Can You See Me?

A book that explores the concept of size and perspective through imaginative scenarios and comparisons.

46 pages· 459 words· Est. 4 min read-aloud
3.6/5 Goodreads · 156 ratings
$18.99Save 5%
Hardcover
Summary: Explore a world where size is all about perspective. From an orangutan to a flea, discover how things change depending on who's looking. This playful journey teaches kids that everyone sees the world differently, encouraging empathy and self-acceptance. Dive into a vibrant mix of art and facts, and see how even the tiniest creatures can be extraordinary. What if you could jump as high as a flea? Find out how perspective shapes our understanding of big and small, and why everyone is just the right size.
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