"This is a serious compilation of many cases of pilot sightings detailing unusual aerial phenomena in the Mexican skies. The study covers over fifty years of incidents, many with radar confirmation and quotes from the pilots themselves. The volume is written in a clear, sober style that gives priority to the witnesses, with little editorial commentary from the authors themselves." -- Jacques Vallee, scientist and pioneering ufologist "The authors have captured something of the excitement that comes from researching pilot and air traffic controller sightings of unusually strange aerial...