Here is the cause of all my sorrow." She handed Grace a large, square envelope with the contrite explanation: "Words can't tell you how sorry I am.

It has been in the pocket of my heavy coat since the week before I went home for the Easter holidays.

I went over to the big bulletin board the day before you went home and saw this letter addressed to you.

I wish I had left it there, as I did last time.

There was one for me, too, so I put them both in my coat pocket, intending to give you yours the moment I reached Wayne Hall.