"Guinness World Records 2008" doesn't have every record, by far. But we do learn how tall the tallest living man is (8' 5.5" - in the Ukraine), the most phone books torn in half within 3 minutes - 55, each 1,044 pages, the location of the largest void in deep space (700 million light years away, though the direction was not given), the most power particle accelerator (located in Switzerland, 16.7 miles long and requiring 120 MW of power and 91 tons of helium cooling), the largest HDTV screen (located at a Japanese race track (37'X218'), and of course the usual largest horse, chair, chopsticks, bed, etc., etc., etc.
Those wanting to start an argument can also find out which nation has the highest proportion of prisoners (the U.S. - about 7.4X the rate of most Western nations), while those setting career goals can determine eg. how long the longest-working accountant has been on the job - 78 years. And then there's no end of sports and strength records.
So, get your copy, display it proudly on the coffee-table (it's shiny), and read it whenever you get tired of watching TV.