Who is the greatest tennis player of all time?Thisstunning book, filled to the brim with color photographs and interesting information, picks Serena Williams!   G.O.A.T. is an acronym that stands for Greatest Of All Time—and it takes lifelong dedication, nonstop hard work, and undeniable, unbelievable talent even to be considered for that honor. Serena Williams is the most decorated female tennis player of all time. She’s been ranked #1 by the Women’s Tennis Association count