The Invisible Enemy V4: Or The Mines Of Wielitska, A Polish Legendary Romance (1806) is a novel written by Thomas Pike Lathy. The book is set in Poland and follows the story of a young man named Count Vavel, who is on a mission to uncover the truth behind a mysterious and invisible enemy that has been terrorizing the people of his country.As Vavel delves deeper into his investigation, he discovers that the source of the enemy's power lies in the mines...