UPDATED 2020 - Have you ever wondered where the 15, 30, 40 scoring system comes from?With fun facts from its beginnings in the 1800s, this book compiles everything a tennis fan has always wanted to know. More than 250 facts about tennis with pictures and illustrations, updated to historical records of the year 2018.Wimbledon, Australian Open, Roland Garros, US Open, Davis Cup and much more! Everything you ever wanted to know about your favorite tennis legend is in this fantastic collection with up to date.If you are a tennis enthusiast, then this book is for you. It is also an excellent gift for every fan of this sport.Did you know that Elton John's song - Philadelphia Freedom - is a tribute to Billie Jean King?Do you know which tennis legend became the youngest player in history to reach the number 1 in the world at 16 years old in 1997?Do you know what badge color is mandatory if an umpire wishes to officiate the final of a Grand Slam? Surprise your friends with these and many other interesting facts you will find in "The Big Book of Tennis Facts" updated until 2018.Also available in SpanishBuy now on Amazon for fast delivery through Prime.