On June 30, 1908 at 7:14 am, a huge fireball exploded in the Siberian sky. and flattened 2000 square kilometres of the remote Tunguska forest. As no crater and no material from outer space were ever found, a meteorite could not have caused this explosion. so what did? An asteroid, spaceship or early nuclear experiment? This book discusses all theories and then analyses the evidence of one the worlds greatest mysteries - an ends by pointing a finger at a prime suspect. Size: 8vo - over 7_" - 9_" tall. 275 pages, index, sources & other readings. Book in excellent condition .
