City of Endless Night

Book Excerpt: ...ided to make the first attack on the Germans as a private enterprise and then call for military aid. I had my own equipment of poisonous bombs and my sapping and mining experts determined that the German workings were but eighty metres beneath us. Hastily, among the crumbling skeletons, we set up our electrical boring machinery and began sinking a one-metre shaft towards the nearest sound. After twenty hours of boring, the drill head suddenly came off and rattled down into a cavern. We saw a light and heard guttural shouting below and the cracking of a gun as a few bullets spattered against the roof of our chamber. We heaved down our gas bombs and covered over our shaft. Within a few hours the light below went out and our microphones failed to detect any sound from the rocks beneath us. It was then perhaps that I should have called for military aid, but the uncanny silence of the lower workings proved too much for my eager curiosity. We waited two days and still there was no evidence of life below. I kClose...