What is 'Letter to Daniel' by Fergal Keane about?

Can pitcher pitch behind batter on purpose? How did Tom Brady do in his first NFL year? What were dolls made of in the olden days? What kind of force is in a baseball pitcher's arm? What new weapon did von steuben teach the patriots to use? What kind of NHL did Jackie Kennedy Onassis have? What year did Derek Jeter make the Jr Varsity team? Who currently takes Napoli's freekicks and penalty's? Which rugby team won 6 nations in 1999? Who is the badger football coach with the most wins? Who can enter the rugby world cup? Did don cherry get a award? When did NCAA make facemasks mandatory? What is the name of the song the Boston Bruins come out to at the beginning of every period- Only the Strongest Survive? What is the brith date of ronaldinho? What does ye mean in olden days? Can a basketball absorb light? What year did Hugh millen play? Do all abandoned football matches have to be replayed? How many football players can be on a football field at the same time for one team?