A Guide to Sky Monsters: Thunderbirds, the Jersey Devil, Mothman, and Other Flying CryptidsEbookA Guide to Sky Monsters: Thunderbirds, the Jersey Devil, Mothman, and Other Flying CryptidsbyT.S.MartRating: 5 out of 5 stars5/5Save A Guide to Sky Monsters: Thunderbirds, the Jersey Devil, Mothman, and Other Flying Cryptids for later