Keith Houston
EMPIRE OF THE SUM: The Rise and Reign of the Pocket Calculator (forthcoming from W.W. Norton)
THE BOOK: A Cover-to-Cover Exploration of the Most Powerful Object of Our Time (W.W. Norton, 2016)
SHADY CHARACTERS: The Secret Life of Punctuation, Symbols, and Other Typographical Marks (W.W. Norton, 2013)

Keith Houston is the founder of the blog Shady Characters, where he writes about the unusual stories behind some well-known—and some rather more outlandish—marks of punctuation. By day, he writes medical visualization software. He is a graduate of the University of Edinburgh and lives in Birmingham, England.