is America's top-selling reference book of all time, with more than 82 million copies sold. Since 1868, this compendium of information has been authoritative source for all your entertainment, reference, and learning needs. The 2016 edition of reviews the events of 2015 and will be your go-to source for any questions on any topic in the upcoming year. Praised as a "treasure trove of political, economic, scientific and educational statistics and information" by , will answer all of your trivia needs—from history and sports to geography, pop culture, and much more.