![Pennsylvania's Unexplained Mysteries: Ghosts, UFOs, Cryptids, & More (Unexplained Encounters): 9798555569134: Urban, Tony: Books - Amazon.com Pennsylvania's Unexplained Mysteries: Ghosts, UFOs, Cryptids, & More (Unexplained Encounters): 9798555569134: Urban, Tony: Books - Amazon.com](https://m.media-amazon.com/images/I/61AYzu-Fr9L._AC_UF1000,1000_QL80_.jpg)
Pennsylvania's Unexplained Mysteries: Ghosts, UFOs, Cryptids, & More (Unexplained Encounters): 9798555569134: Urban, Tony: Books - Amazon.com
![Explaining the Unexplained: Mysteries of the Paranormal: Eysenck, H. J., Sargent, Carl: 9780297780687: Amazon.com: Books Explaining the Unexplained: Mysteries of the Paranormal: Eysenck, H. J., Sargent, Carl: 9780297780687: Amazon.com: Books](https://m.media-amazon.com/images/I/51yuVmKlNeL._AC_UF1000,1000_QL80_.jpg)
Explaining the Unexplained: Mysteries of the Paranormal: Eysenck, H. J., Sargent, Carl: 9780297780687: Amazon.com: Books
![Geoffrey A. Fowler on Twitter: "@washingtonpost Bard can sometimes cite and link to a source -- here a Wikipedia entry about UFOs. https://t.co/n2CH1JqnsI" / Twitter Geoffrey A. Fowler on Twitter: "@washingtonpost Bard can sometimes cite and link to a source -- here a Wikipedia entry about UFOs. https://t.co/n2CH1JqnsI" / Twitter](https://pbs.twimg.com/media/FrwTHXoWYAELKrn.jpg)