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The ghost map : the story of London's most terrifying epidemic--and how it changed science, cities, and the modern world / Steven Johnson. Johnson, Steven, 1968- author.
New York : Riverhead Books, 2007.
299 pages : illustrations ; 21 cm
A chronicle of Victorian London's worst cholera outbreak traces the day-by-day efforts of Dr. John Snow, who put his own life on the line in his efforts to prove his previously dismissed contagion theory about how the epidemic was spreading.