Guinness World Records
A series of books consisting of various records on everything. And by everything, we mean everything. If you ever thought of a record that is physically possible, chances are that the book would have a record on that. The lists include things from the mundane stuff to the most outrageous thing and from some famous celebrity doing what they usually do to some obscure person doing outrageous and obviously trying to get that record.
Started out when some British guy who managed a Guiness brewery had an argument about which game bird is the fastest, the record books has become a sort Cash Cow Franchise with editions published every year and is considered as the primary authority when it comes to world records.