Books by Sean Casteel

Our Alien Planet: This Eerie Earth - Enter Eerie Doorways To Other Dimensions
Sean Casteel

Our Hollow Earth: An Inner World Paradise, Or A Gateway To Hell?
Sean Casteel

Angels of the Lord: Calling upon Your Guardian Angel for Guidance and Protection
Sean Casteel

Nikola Tesla Journey to Mars: Are We Already There?
Sean Casteel

The Secret Space Program: Who is Responsible?
Sean Casteel

Behind The Flying Saucers -- The Truth About The Aztec UFO Crash, EXPANDED EDITION With Updated Section By Sean Casteel
Sean Casteel

Nikola Tesla's Death Ray and the Space Shuttle Columbia Disaster
Sean Casteel

Shakespeare’s Confidential Dossier: To Be Or Not To Be?
Sean Casteel