RODNEY M. CLUFF, author of World Top Secret: Our Earth IS Hollow! was born and raised in the American Mormon colony of Colonia Juarez in northern Mexico. He became interested in the Hollow Earth Theory at the age of 16 while working on a New Mexico farm where the farm manager's son told the workers of the theory. He expressed his opinion to the workers that he thought the Hollow Earth would be an ideal place for the Lord to hide the Lost Tribes of Israel! This comment really caught Rodney's interest, and he determined he would like to look further into this idea.

Many years later, while working for Armored Car in Phoenix, Arizona, Mr. Cluff noticed an advertisement of Raymond Bernard's book, The Hollow Earth in a tabloid newspaper. He sent for it and thereby began many years of study and writing which has led to the present work.