Excerpt - Back Matter: "DarkPeakAircraft Wrecks 1, Barnsley Chronicle Newspaper Group, 1979; new editions Wharncliffe Publishing, 1990, and Leo Cooper (Pen and Sword Books ... "
Excerpt - page 30: "According to Ron Collier and Roni Wilkinson, the authors of the two-volume DarkPeakAircraft Wrecks, the most likely explanation for the accident was human error"
Excerpt - page 129: "rusting remains of countless aircraft that have tragically crashed while flying across the High Peak. In two.books on DarkPeakAircraft Wrecks, Ron ... "