Mystery Hunters: The Bermuda Triangle and Other Danger Zones
Crime Scene Investigations: The John F. Kennedy Assassination: The Shooting That Shook America
Debating History: Debates on the 9/11 Attacks
Paranormal Investigations: Aliens, UFOs, and Unexplained Encounters
Understanding the Paranormal: Investigating Bigfoot, the Loch Ness Monster, and Other Cryptids
Disasters and Tragic Events: An Encyclopedia of Catastrophes in American History
World History: The Mysterious Maya Civilization
Mysteries of History: Mystery of Atlantis
Mysteries of History: Mystery of Area 51
Paranormal Investigations: The Bermuda Triangle, Stonehenge, and Unexplained Places
The Central Intelligence Agency: An Encyclopedia of Covert Ops, Intelligence Gathering, and Spies
Viewpoints on Modern World History: AIDS and Other Killer Viruses and Pandemics
Sharing Posts: The Spread of Fake News
9/11 and the War on Terror: A Documentary and Reference Guide
Critical Insights: Conspiracies
Making Headlines: The World's Most Shocking Secrets and Mysteries
A Visual History of the World: A Visual History of the World's Enduring Mysteries