The Ghost Map

by Steven Johnson

The Ghost Map

Paperback, 299 pages, Penguin Group USA, List Price: $16 | purchase

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The Ghost Map
Steven Johnson

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Book Summary

A historical 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. Reprint.

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Three Books...

Play the Numbers: Three (Useful) Books About Data

Mid-19th century cities often lacked basic infrastructure like sewers and were therefore awash in filth and disease such as cholera, a brutal killer that wiped out whole families in a day. The reigning theory was that it was spread by vapors, known at the time as miasmas. But in 1854, Dr. John Snow mapped the cases of cholera that had occurred in London that year, and he proved that they coalesced around water pumps — waste-infected water in those pumps was the killer. Eventually his heroic

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