Ever wonder who is the richest professional gamer is? Well wonder no more! The first ever Guinness Book dealing with video game achievements covers records like the highest grossing game in single day sales, the fastest completion time for Super Mario Bros, the most successful console of all time and many more. Guinness World Records: Gamer's Edition 2008 will be available in U.S. stores on March 11th and while its focus is on video games, it will answer all those little questions you had and quite possibly bring up some new ones.