Ogopogo - The Great Beast of Okanagan Lake in British Columbia。Ogopogo | Monster Wiki | Fandom。U7ctKn3qReJkSVy4akb7NC.jpeg。Okanagan Sound - Ogopogo (The Great Okanagan Mystery) b/w The。- Title: The Okanagan Mystery Ogopogo- Author: Mary Moon- Publisher: J.J. Douglas Ltd.Softcover, very good condition, English text, first edition/printing.Rare and hard to find.The Okanagan mystery from Indian lore to contemporary evidence, the facts about the legendary monster of British Columbia's Okanagan Lake