"Well, the arrow points southeast."
"How do you know?" asked George, dubiously.
"Why, that word at the extreme top must be 'north,' and if so then the arrow is pointing south,[p. 40] and the 'W' belongs to something in that direction."
"There, in the second line is a word that looks like 'land.' Can it be a part of the word 'Island'?"
"It doesn't seem so, as there is too much space before the letters. It seems to me though, that it reads 'land 30 leagues' but what does 'se' mean?"
The boys were up late that night, and they went to bed with the missive still unsolved. Before retiring Harry said: "Let us wait until daylight. The sun may help us out."
When they awoke the first thing that occurred to George was the original Walter letter, so that the writing could be compared. It was found, and George came in with an exultant bound.
"I am sure now that it was Walter. Here it is." The original letter was as follows:
