The mountain hut that disappeared

The audiobook The Mountain Hut That Disappeared, by Sławomir Gortych, narrated by Filip Jančík. Krkonoše Mysteries #1 Young dentist Maksymilian Rajczakowski travels to the Krkonoše Mountains to escape his family problems. Little does he know what secrets lie dormant in the mountains' wartime past. Will he find what he is looking for? The owner of the Hut by the Snowy Pits dies in an unfortunate accident. Shortly after this tragedy, his nephew, Maksymilian, arrives. He learns that before his death, his uncle was, for unclear reasons, interested in the fate of another mountain hut that burned down shortly after the Second World War under circumstances that remain unexplained. When further facts come to light, Maks begins to suspect that his uncle's death was not a mere coincidence. Unaware of the great danger he is in, he launches his own investigation. Soon, he starts receiving threats from someone who calls himself Rýbrcoul (the mountain spirit)... If he doesn't solve the mystery in time, he will find himself in mortal danger.