Admiral Richard E. Byrd's Missing Diary: A Flight to the Land Beyond the North Pole into the Hollow Earth Paperback – Import, 4 July 2017

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

The Smoky God: A Voyage to the Inner World