Harry Harrison 
Make Room! Make Room! 

»Revelatory. Harry Harrison»s novel about Earth on the edge of disaster is both bracing and cathartic … impressively prescient» Guardian
The planet»s population has exploded and resources are stretched to breaking point. And, in a sweltering, overcrowded New York City of 35 million desperate inhabitants, a police detective must try to solve a murder. The basis of the cult film Soylent Green, this eerily prophetic novel is a nightmarish vision of a world in meltdown.
»A cautionary tale of what might happen if American consumption goes unchecked» Los Angeles Times
»An author with a serious purpose and a subversive wit» Christopher Priest