The North Pole and Inner Earth Chronicles: The Smoky God: A Voyage to the Inner World + The Secret Diary of Admiral Richard E. Byrd | Two Books in One ... Earth, Inner Earth, Agartha, Flat Earth

The North Pole and Inner Earth Chronicles: The Smoky God: A Voyage to the Inner World + The Secret Diary of Admiral Richard E. Byrd | Two Books in One ... Earth, Inner Earth, Agartha, Flat Earth

Admiral Richard E. Byrd's Missing Diary: A Flight To The Land Beyond The North Pole Into The Hollow Earth

The Secret Lost Diary of Admiral Richard E. Byrd and The Phantom of the Poles