The Guinness Book of Records is the biggest-selling copyrighted book of all time, according to Publisher, Young, with 92 million books sold since 1955. But when it was first imagined, it wasn’t even going to be for sale. The book was the brainchild of Sir Hugh Beaver, the managing director of the Guinness Brewery in Ireland. On November 10, 1951, he got into an argument while hunting with friends out in southeastern Ireland over which was the fastest game bird. Sir Hugh Beaver thought that hundreds of other such things were apparently being discussed and a book of records could resolve these differences.