The Ghost Map by Steven Johnson

"The Ghost Map: The Story of London's Most Terrifying Epidemic--and How It Changed Science, Cities, and the Modern World" by Steven Johnson is a gripping narrative that recounts the 1854 cholera outbreak in London, highlighting the pioneering work of Dr. John Snow and Reverend Henry Whitehead, who together mapped the disease and uncovered its source [1]. Johnson's book is a fascinating exploration of how this groundbreaking investigation transformed our understanding of disease, urban planning, and the power of data-driven thinking [2].