Publisher's Synopsis
On 30th June 1908 a mysterious fireball exploded in the Siberian sky and flattened 2,000 square km of the Tunguska forest. What caused the explosion is still baffling scientists today, nearly 100 years later. Verma discusses all the theories, ranging from a comet, mini black hole and antimatter to an alien spacecraft attempting to communicate, and reveals the prime suspect. A fascinating blend of cutting-edge science and a great mystery story.