Joshua P. Warren has appeared on the National Geographic Channel, History Channel, Discovery Channel, SyFy, TLC, Animal Planet and many other networks. He is the author of more than a dozen books, including Simon & Schuster's How to Hunt Ghosts, Pet Ghosts, Haunted Asheville and The Secret Wisdom of Kukulkan. He and his team made the cover of the scientific journal, Electric Space Craft, in 2004 for groundbreaking work on ghostly plasmas. He hosts the Speaking of Strange radio program, frequently appears on Coast to Coast AM, and owns and directs the L.E.M.U.R. Lab and Free Museum in Asheville, North Carolina.