The expedition team entered the mysterious "forbidden territory" of the Amazon in search of strange plants with special healing powers, but accidentally entered the territory of the evil creature Yapron. After experiencing a life and death struggle, they discovered an even more terrifying truth: behind the forbidden area were hidden the remains of prehistoric civilization and a secret that could affect the future of mankind. This book belongs to a collection of monster stories. Each volume contains a new monster that is independent of the other stories.
