Fine Reproductions of Unusual and Rare Cover Art. This blog is a part of JF Ptak Science Books on the History of Holes, Dots, Lines, Science, History, Math, the Unintentional Absurd & Nothing |1.6 million words, 7000 images, 3.5 million hits| Press & appearances in The Times, The Paris Review, Le Figaro, The Economist, The Guardian, Discovery News, Slate, Le Monde, Scientific American Blogs, Le Point, and many other places... 3,000+ total posts