In December 1952, a thick layer of black smog blanketed London. The filthy air blinded people on the streets and brought traffic to a screeching halt. Worst of all, the pollution was deadly. It sickened 100,000 people and took the lives of 4,000. Killer Smog: London, England traces the devastating story of air pollution that took thousands of lives and brought London to a standstill. Fascinating photos of the actual events, maps, and fact boxes enrich the compelling text. The personal and heart-breaking story will grip and inspire young readers.