"Furious Battles" by Mack Reynolds is an exciting science fiction book that tells about the incredible adventures of a group of explorers who decided to explore the coldest place on Earth. During the expedition, they face dangers that they did not think possible - from mysterious forces to supernatural phenomena. The author successfully combines scientific facts with fantastic elements, creating an exciting story that keeps you in suspense until the last page. "Fierce Battles" is a book that will delight all fans of science fiction and adventure stories.