Book Series · 8 Books

Who HQ: The 50 States Books

In order from Where Is California? to Where Is Puerto Rico?.

The Who HQ: The 50 States series is a set of 8 chapter books, published between 2025 and 2026. Written for ages 8–12, most books run about 55 pages.

Where the story begins

First Book in the Series

Sale price

$574

Book #1 · Chapter Book · Ages 8–12 · 2025

Where Is California?

Explore California's vibrant history, culture, and natural wonders in a journey from Hollywood to national parks.

56 pages

$5.99Save 4%

Paperback

Summary: Explore California's vibrant tapestry, where Hollywood dreams meet seismic realities. Discover the state's rich history, from Indigenous cultures to iconic landmarks like the Golden Gate Bridge. With nine national parks and countless film sites, California's allure is undeniable. What hidden stories await in the land of stars and quakes?

The complete set

Who HQ: The 50 States Series

8 books · Published 2025–2026

Series

Sale price

$574

Where Is California?

Chapter Book · Ages 8–12 · 2025

Explore California's vibrant history, culture, and natural wonders in a journey from Hollywood to national parks.

Series

Sale price

$574

Where Is Georgia?

Chapter Book · Ages 8–12 · 2025

Uncover Georgia's rich history, from ancient mounds to Civil War tales and cultural icons.

Series

Sale price

$574

Where Is Ohio?

Chapter Book · Ages 8–12 · 2025

Uncover Ohio's pivotal role in history and its unique cultural legacy.

Series

Sale price

$574

Where Is Michigan?

Chapter Book · Ages 8–12 · 2026

Uncover Michigan's rich history, culture, and geography in a unique exploration of this water-rich state.

Series

Sale price

$574

Where Is Tennessee?

Chapter Book · Ages 8–12 · 2026

Explore Tennessee's rich history, culture, and natural wonders.

Series

Sale price

$574

Where Is Washington?

Chapter Book · Ages 8–12 · 2026

Explore Washington's rich history, culture, and iconic landmarks.

Series

Sale price

$574

Where Is Puerto Rico?

Chapter Book · Ages 8–12 · 2026

Uncover Puerto Rico's rich history, culture, and natural wonders.

Series

Sale price

$574

Where Is Wisconsin?

Chapter Book · Ages 8–12 · 2026

Explore Wisconsin's rich history, culture, and quirky traditions.

Good to know

Common Questions

How many books are in the Who HQ: The 50 States series?

There are 8 books in the Who HQ: The 50 States series. It began with Where Is California? in 2025, and the newest book, Where Is Puerto Rico?, was published in 2026.