What-? by Who HQ

The groundbreaking people, ideas, and inventions of the Industrial Revolution, spanning from 1760 to 1840, are brought to life in this fascinating addition to the New York Times bestselling What Was? series. Following the Agricultural Revolution, the Industrial Revolution was a global period of...

Learn all about what it takes to run for—and win—the U.S. presidency in this fascinating guide for young readers, part of the trusted What Was? series. It’s the perfect way to celebrate America’s 250th anniversary! What are the differences between America's two major political parties?...

On August 25th, 2005, one of the deadliest and most destructive hurricanes in history hit the Gulf of Mexico. High winds and rain pummeled coastal communities, including the City of New Orleans, which was left under 15 feet of water in some areas after the levees burst. Track this powerful storm...

Discover more about Juneteenth, the important holiday that celebrates the end of chattel slavery in the United States. On June 19, 1865, a group of enslaved men, women, and children in Texas gathered around a Union solder and listened as he read the most remarkable words they would ever hear...

This compelling addition to the What Was? series covers what was supposed to be “the war to end all wars” but tragically wasn't. In 1914, the assassination of an Austrian archduke set off a disastrous four-year-long conflict involving dozens of countries with battles taking place in all...

On October 29, 1929, life in the United States took a turn for the worst. The stock market – the system that controls money in America – plunged to a record low. But this event was only the beginning of many bad years to come. By the early 1930s, one out of three people was not working...

The What Do We Know About? series explores the mysterious, the unknown, and the unexplained. Is the hairy cryptid of the forest fact, myth, or legend? Find out what we really know about Bigfoot in this exciting new series! Presenting What Do We Know About: an exciting new addition to the #1 New...

On August 28, 1963, more than 200,000 people gathered in Washington, DC, to demand equal rights for all races. It was there that Martin Luther King Jr. delivered his "I Have a Dream" speech, and it was this peaceful protest that spurred the momentous civil rights laws of the mid-1960s...

The terrifying true story of the deadly blizzard that unexpectedly slammed the Midwest, catching many young lives in its path—part of the New York Times bestselling What Was? series, featuring 16 pages of photos. On January 12, 1888, an unforseen blizzard broke out in the middle of an...

At 800-feet long, the Hindenburg was the largest airship ever built--just slightly smaller than the Titanic! Also of a disastrous end, the zeppelin burst into flame as spectators watched it attempt to land in Lakehurst, New Jersey on May 6, 1937. In under a minute, the Hindenburg was gone...

The unbelievable true story of one of the strangest disasters in history—part of the New York Times bestselling What Was? series, featuring 16 pages of photos. On an unusually warm winter day in Boston, Massachusetts, a storage tank in the city's North End burst, flooding the neighborhood with...

How did Zeus come to rule the sky? How did Poseidon become the god of the sea? Learn all about the myths and legends of Greek mythology in this dramatic history. Celebrate ancient Greek mythology and civilization, where Heracles performed his twelve heroic feats and Athena defended the acropolis...

Find out what really happened when a strange man hijacked an airplane in 1971 and then parachuted out of it, never to be seen again. What is the truth behind the mystery of the man who came to be known as D. B. Cooper? On November 24, 1971, an unidentified man hijacked an airplane that was...

NEW YORK TIMES BESTSELLER Step back in time to the creation of America’s founding document with this fascinating history for young readers, part of the beloved What Was? series. The perfect way to celebrate the U.S.A.’s 250th anniversary! On a hot summer day near Philadelphia in 1776...

Learn how many different Asian communities celebrate Lunar New Year in this book for young readers that reveals why the first new moon of the year is such a culturally significant moment for many countries! This fact-filled book covers all things Lunar New Year, from the Chinese Zodiac animals...

From the #1 New York Times bestselling series comes the latest title in the Who HQ Now format for trending topics. It tells the history of a political and social movement that advocates for non-violent civil disobedience and protests against incidents of police brutality--and all racially...

Go back to the thrilling time of warring knights who were prepared to give their life in order to protect their lord and his castle. Castles may conjure up a romantic fairy tale world; however, in real life, during the Middle Ages, castles were fortresses, providing shelter and protection for...

Can a person catch on fire without any reasonable explanation? Find out all we know about spontaneous human combustion in this exciting new book! A fire that burns without an obvious source of ignition isn't possible...right? In What Do We Know About Spontaneous Human Combustion?, curious young...

In this audiobook from the #1 New York Times bestselling series, learn how this vibrant Black neighborhood in upper Manhattan became home to the leading Black writers, artists, and musicians of the 1920s and 1930s. Travel back in time to the 1920s and 1930s to the sounds of jazz in nightclubs...

Have you ever wondered how AI came to be? How did ChatGPT develop? Who is “Siri”? Find out everything you need to know about the rise of AI and advancing technology, including future applications and concerns, in this informative book. It all began in 1822 when an English mathematician...