Just beyond me on the rocky floor of the volcanic crater was the gaping vertical shaft which marked the starting point of our journey. As I gazed into its fearful depths my hair stood on end and my head swirled with dizziness. Most scientists believed that the fierce heat and tremendous pressure would make a journey to the Earth's centre impossible. When Professor Lindenbrock decides to prove them wrong it is the beginning of an amazing adventure, full of surprising discoveries and unpredictable threats.