New Projects

Exploding Cigars and Psychic Spies: A Curious History of the Government’s Strangest and Most Secretive Projects,
Quirk Books, due out January 12, 2027. See a preview.

On Point: A Knife Thrower’s History of Knife Throwing
Co-written with Dr. David Adamovich (The Great Throwdini) and Rick Lemberg. Schiffer Books, due out 2027.

Upcoming Events Calendar

  • Marc Hartzman standing in a room with a brick wall. The room has a bookshelf filled with books. There are also various objects, including a framed picture, artwork, and figurines, visible in the background and on a table.

    Paranormal Books & Curiosities

    October 11, 2026

    12:00-2:00

    Asbury Park, NJ

    Author signing for The Embalmed Head of Oliver Cromwell: A Memoir and The Talking Dead.

    Details
  • A collage featuring a black and white portrait of a young man in a suit, a colorful illustrated poster of Harry Houdini with a headline about him, and an old black and white photograph of a circus or fairground with performers.

    Houdini Among the Villagers

    October 28, 2026

    6:00 PM

    New York, NY

    On this panel we’ll talk about Houdini’s rise to fame in New York, including the East Village, while learning wild facts about his life, his place in the history of stage magic alongside other luminaries and – in honor of the 100th anniversary of his death – Houdini’s meandering detour into the strange worlds of ghosts and Spiritualism.

    Register
  • Event poster for a Halloween-themed market curated by Ryan Matthew Cohn, happening on October 31st from 11 am to 6 pm at Foolproof Brewing Company, Bridgeport, CT. Features skeleton hands, witches, black cats, and decorative elements.

    Oddities Flea Market

    October 31, 2026

    11:00-6:00

    Bridgeport, CT

    Oddities Flea Market returns this Halloween for a one-day celebration of the weird, wonderful, and macabre.

    Details
  • Bookshelves filled with horror and dark literature books in a cozy, dimly lit room with a fireplace and a framed ship painting above it.

    The Twisted Spine

    January 12, 2027

    306 Grand St., Brooklyn, NY 11211

    Time TBD

    Illustrated lecture and book launch event for Exploding Cigars and Psychic Spies.

    Details
  • Diagram of an aircraft's engine and wing components, including the pilot's canopy, fuel tanks, exhaust muffler, and flame holders, with labels pointing to each part.

    Morbid Anatomy

    January 18, 2027, 7:00 pm EST

    Free online lecture about Exploding Cigars and Psychic Spies.

    Sign up

  • Tattered Cover Book Store

    January 21, 2027

    2526 E Colfax Avenue Denver, CO

    Illustrated lecture and book signing for Exploding Cigars and Psychic Spies.

    Details coming soon.

    See more
  • Historic Barnum Museum building with arched windows and a domed tower under a clear blue sky.

    The Barnum Museum

    February 4, 2027

    Barnum Museum, 820 Main Street, Bridgeport, CT 06604

    6:30 PM

    Illustrated lecture and book signing event for Exploding Cigars and Psychic Spies.

    Details
  • Exterior view of the Scarsdale Public Library during twilight, showing large glass windows, a modern design with benches and lamp posts outside.

    Scarsdale Library

    Scarsdale Library
    Scarsdale, NY
    March 13, 2027
    Time TBD

    Details coming soon
  • Peculiar Book Club

    Peculiar Book Club

    March 11, 2027

    Online free event! Details coming soon.

    More info