Guinness World Records
Overview
 
Guinness World Records, known until 2000 as The Guinness Book of Records (and in previous U.S. editions as The Guinness Book of World Records), is a reference book published annually, containing a collection of world record
World record
A world record is usually the best global performance ever recorded and verified in a specific skill or sport. The book Guinness World Records collates and publishes notable records of all types, from first and best to worst human achievements, to extremes in the natural world and beyond...

s, both human achievements and the extremes of the natural world. The book itself holds a world record, as the best-selling copyrighted book series of all time.
 
x
OK