Book excerpt: So you think you know baseball? Test your knowledge with the 21st century edition of The Major League Baseball IQ Test. Be the umpire and make the right call with 21 on-the-field umpiring situations. Challenge your memory of well-known, little-known and forgotten major league players. And just for fun, Diamond Dust---interesting facts, humorous anecdotes and descriptions of historical baseball events, some too hard to believe but all reportedly true.