The Ghost Map: The Story of London’s Most Terrifying Epidemic–and How It Changed Science, Cities, and the Modern World: Steven Johnson: 9781594482694: Amazon.com: Books

September 18, 2016

read this earlier, see
http://del.icio.us/mbgmbg/clust_ghostmap

https://www.amazon.com/Ghost-Map-Londons-Terrifying-Epidemic/dp/1594482691

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