Les Trager is a retired lawyer with an interest in 13th to 17th European Maps which cannot be explained by European scientific knowledge for that time period or by known European explorations. He is a member of the New York Map Society, Washington Map Society and the Explorers Club.
His previous book was Henry Hudson – Cree History and Ancient Maps . Articles include: Mysterious Mapmakers, Exploring the Impossibly Accurate 16th Century Maps of Antarctica and Greenland , and Isostatic Rebound in Lower James Bay and Locating Thomas James and Henry Hudson’s Camps . He is the author of Ancient Explorers and Their Amazing Maps