Challenges of Change was advertised in the January 2004 MUFON UFO Journal, page 24. Apparently touched on a variety of woo topics.
ETA: According to the February 11, 2004, Manitoban, the Stanley A. Fulham who wrote Challenges of Change is the same Canadian who wrote The Rugged Trail and was a member of the Royal Canadian Air Force. The Manitoban review mentions his NORAD service; it also says the book was 190 pages. There's an interview with him mentioning his NORAD service at jerrypippin.com/UFO_Files_grant_cameron.htm