Who Was Ponce de León?

What Do We Know About the Chupacabra?

Disasters!: A Who HQ Collection

Who Was Marco Polo?

Who Was Ferdinand Magellan?

Who Was Charles Darwin?

Who Were Stanley and Livingstone?

What Is the Story of the Headless Horseman?

What Do We Know About the Roswell Incident?

What Do We Know About the Kraken?

What Do We Know About the Winchester House?

What Do We Know About Alien Abduction?

What Do We Know About the Nazca Lines?

What Do We Know About the Mystery of D. B. Cooper?

Who Was Leif Erikson?

What Do We Know About Bigfoot?

Who Were the Beatles?

Who Was Isaac Newton?

Who Was Dr. Seuss?

Who Was Helen Keller?