The Second Edition of Lost Person Behavior is well underway. The talk will highlight some of the new additions to the book. An update on data being collected including from polar regions, different approaches to Probability of area (5 different methods), scenario analysis - a more formal approach, Lost Person Responses ( strategies updates on decision points, terrain analysis, cognitive bias, emotional response, and Lost Person Strategies. How human's navigate, and Developmental Topographical Disorientation. Several subject categories have been turned into books. So extensive new information is available on Abductions, Missing Aircraft, 406 Beacons, ATV, and Autism. Other new subject categories will also be discussed.