Marc Hartzman

Marc Hartzman has been called "one of America's leading connoisseurs of the bizarre" (ABCNews.com) and is the author of several books, including The Big Book of Mars, Chasing Ghosts, and We Are Not Alone. More of his love for the unusual can be found on his site WeirdHistorian.com.

Ebooks

Exploding Cigars and Psychic Spies: A Curious History of the Government's Strangest and Most Secretive Projects

American Sideshow

Chasing Ghosts: A Tour of Our Fascination with Spirits and the Supernatural

We Are Not Alone: The Extraordinary History of UFOs and Aliens Invading Our Hopes, Fears, and Fantasies

The Big Book of Mars: From Ancient Egypt to The Martian, A Deep-Space Dive Into Our Obsession with the Red Planet