The title page of the book explains the title as follows: Fahrenheit 451—The temperature at which book paper catches fire and burns.... On enquiring about the temperature at which paper would catch fire, Bradbury had been told that 451 °F (233 °C) was the autoignition temperature of paper. In various studies, scientists place the autoignition temperature at a range of temperatures, 424–475 °F (218–246 °C), depending on the type of paper.
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