Reviews & Previews Before Sudoku: The World of Magic Squares by Seymour S. Block and Santiago A. Tavares By Science News 1:44pm, March 27, 2009 Magazine issue: Vol. 175 #8, April 11, 2009 EMail Print Twitter Facebook Reddit Google+ Sponsor Message <a href="https://g.adspeed.net/ad.php?do=clk&zid=47245&wd=300&ht=250&pair=as" target="_top"><img style="border:0px;" src="https://g.adspeed.net/ad.php?do=img&zid=47245&wd=300&ht=250&pair=as" alt="i" width="300" height="250"/></a> Fascination with sudoku puzzles is not new.Oxford Univ., 2009, 239 p., $14.95. Printer-friendly versionSend by email
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