Description : The Day of the Triffids is a post-apocalyptic novel published in 1951 by the English science fiction author John Wyndham Parkes Lucas Beynon Harris, under the pen-name John Wyndham. This classic sf novel traces the fate of the world after a comet shower blinds most of the world's population. The few with sight must struggle to reconstruct society while fighting mobile, flesh-eating plants called triffids.