they are not just a myth:

THE HORNET SPOOK LIGHT The Enduring Mystery of Missouri's Devil's Promenade -- Includes Directions to the Site & First-Hand Accounts of Sightings!	CAN SUCH THINGS BE? The Mysterious Disappearance of Orion Williamson & The Riddle of Ambrose Bierce	DEVIL'S HOLE CAVE A seemingly bottomless cave and a mysterious creature!
	THE MOTHMAN  The Real Story Behind One of the Strangest Cases of the Unexplained!
	THE THUNDERBIRD PHOTO One of the Great Unsolved Mysteries of the Old West	THUNDERBIRDS OVER ILLINOIS Strange Sightings, including the controversial Marlon Lowe Case
WHERE BIGFOOT WALKS America's Greatest Unsolved Mystery -- Is Bigfoot real?	THE BROWN MOUNTAIN LIGHTS One of North Carolina's Greatest Mysteries	THE MACO LIGHT One of the most famous "Spook Lights" of the South
THE MINNESOTA ICEMAN America's legendary Sideshow Attraction -- Was it Real?	MOMO - THE MISSOURI MONSTER The Monster that Terrorized Missouri in the 1970s	MURPHYSBORO MUD MONSTER The Strange Beast that Prowled a Southern Illinois town
THE JERSEY DEVIL One of America's Oldest Mysteries.. Truth or Legend?	WEREWOLVES & THE BRAY ROAD BEASTCould these fabled monsters be Real?	THE MAD GASSER OF MATTOON  One of History's Mysteries.. was the Gasser real or merely imagination?
THE WATSEKA WONDER Spirit Possession in Illinois?	MYSTERIOUS FALLS FROM THE SKY It's Raining Fish & Frogs!	THE LOST DUTCHMAN MINE Arizona's Most Haunting Mystery

STRANGE HIGHWAYS A Guidebook to American Mysteries & The Unexplained  by Jerry D. Coleman

MORE STRANGE HIGHWAYS More True Stories of America's Unknown Creatures & Mysterious Happenings  by Jerry D. Col