This novel, absolutely fantastic in its story-line, brings to life the prehistoric world in its real sense.Ed Malone is given the task of interviewing the temperamental Professor Challenge about his amazing discovery. The Professor claims to have discovered the land of prehistoric animals in a plateau in South America. To prove this, the Professor asks Malone to join his expedition team on a return voyage to this 'Lost World' , where time is frozen from the days when dinosaurs and other such strange creatures were alive.