They agreed it might be best to start by sitting on the low lakeshore walkway or corniche and put their legs in the water. Down at the end of the walkway there was still room to do that, and they trudged down together and sat as a group, in a line. The concrete under them was still radiating the day’s heat. They were all sweating, except for some who weren’t, who were redder than the rest, incandescent in the shadows of the late afternoon. As twilight fell they propped these people up and helped them to die. The water of the lake was as hot as bath water, clearly hotter than body temperature, Frank thought; hotter than the last time he had tested it. It only made sense. He had read that if all the sun’s energy that hit Earth were captured by it rather than some bouncing away, temperatures would rise until the seas boiled. He could well imagine what that would be like. The lake felt only a few degrees from boiling.The Ministry of the Future is an intense read for an extra hot day.