ISBN-13: 9781503206847 / Angielski / Miękka / 2014 / 296 str.
An adventure and mystery novel. Hans Gruber hikes, fishes, plays soccer and builds a science project with an explanation on how to build a small radio receiver. There are suspenseful aviation flights and landings in the Arctic Circle. A search for a mystical folklore hero and the hopeful return of him to his glacial village happens in the Arctic Circle. In a Polar Night with Northern Lights brightening up the Arctic sky the tale is told. There are hiking concepts, aviation principles and hints of time travel with the Sled Nozzle Thruster Reactor.