While traveling, he gathered information for his books. Later he began his own publishing company and focused on this and his travels until his death in 1999 at the age of 81, following a long battle with skin cancer.
During his travels, he gathered information to use in his writings. He then founded his own publishing firm and devoted himself to this and his journeys until his death in 1999 at the age of 81, after a long and difficult fight against skin cancer.