phabet book for every young Mets fan! A is for the home run apple, F is for fans celebrating after the 1969 World Series Championship, M is for Mr. Met and, of course, Y is for "Ya Gotta Believe!" Toddlers will love learning their letters with all the great baseball symbols. Parents, grandparents, aunts and uncles will enjoy sharing their memories with the next generation of baseball fans. The book is even shaped like a baseball jersey! Officially licensed by Major League Baseball.