Hachette Book Group menu

Home
Marketing FAQ
Publicity FAQ
Subrights FAQ
Social Media Guide

Go to HBG Authors Resources home

FOLLOW US

Hachette Book Group menu

Home
Marketing FAQ
Publicity FAQ
Subrights FAQ
Social Media Guide

Sachiko Yoshikawa

About the Author

By the Author

What Is Math?

What Is Math?

by Rebecca Kai Dotlich, Illustrated by Sachiko Yoshikawa

ABOUT
About Us
Our Leadership
Imprints
Newsletter Subscription
Banned and Challenged Books
Social Impact at HBG
Accessibility Statement
HBG in the News
Press & Publicity

RESOURCES
Authors & Agents
Booksellers
Client Services
Librarians & Educators
eCommerce Order Support
Hachette Speakers Bureau
Careers
Contact HBG
FAQ

TERMS AND POLICIES
Terms of Use
Privacy Policy
Cookie Policy
Do Not Sell or Share
My Personal Information
Report Piracy
Fraud Alert
CPSIA

© 2026 Hachette Book Group

0

Your Wishlist

×

Do you have an existing Hachette Book Group account?

YesNo

Shipping Address

Billing Address

Same as Shipping Address?

Δ