Book Series · 1 Book

Curious Concepts Books

One Whole Hippopotamus
One Whole Hippopotamus
One Whole Hippopotamus
One Whole Hippopotamus
One Whole Hippopotamus
About the series

What's Curious Concepts About?

Carter Higgins's concept picture books from Chronicle Books, where visual and math literacy meet.

Where the story begins

First Book in the Series

One Whole Hippopotamus
Sale price
$1597
Book #1 · Picture Book · Ages 2–4 · 2026

One Whole Hippopotamus

Look again: one whole thing can be split, sorted and patterned in surprising ways.

52 pages
$16.99Save 6%
Hardcover
Summary: A playful concept book that invites young children to look closely at colors, shapes, patterns and parts of a whole. Rhythmic, read-aloud language and bold design turn sorting and simple fractions into a game, showing that even familiar things can be seen in new ways each time the book is read. A companion to Circle Under Berry and Some of These Are Snails.
The complete set

Curious Concepts Series

1 book · Published 2026

Sale price
$1597

One Whole Hippopotamus

Picture Book · Ages 2–4 · 2026

Look again: one whole thing can be split, sorted and patterned in surprising ways.

Good to know

Common Questions

How many books are in the Curious Concepts series?

There is one Curious Concepts book so far: One Whole Hippopotamus.

What ages are the Curious Concepts books best for?

The series is best for ages 2–4, based on the age ranges of the individual books.

The people

The Creative Behind the Book

The people who bring Curious Concepts to life.

Keep exploring

Similar Series