Uitgevers Stan Gordon Productions

Cover for Stan Gordon · Really Mysterious Pennsylvania: Ufos, Bigfoot & Other Weird Encounters Casebook One (Paperback Book) (2010)

Really Mysterious Pennsylvania: ... (2010)

Cover for Stan Gordon · Silent Invasion: the Pennsylvania Ufo-bigfoot Casebook (Paperback Book) (2010)

Silent Invasion: the Pennsylvani... (2010)

Cover for Stan Gordon · Astonishing Encounters: Pennsylvania's Unknown Creatures, Casebook 3 (Paperback Book) (2015)

Astonishing Encounters: Pennsylv... (2015)

Cover for Stan Gordon · Creepy Cryptids and Strange UFO Encounters of Pennsylvania. Bigfoot, Thunderbirds, Mysteries of the Chestnut Ridge and More. Casebook Four (Paperback Book) (2022)

Creepy Cryptids and Strange UFO ... (2022)