“Of course. I see what you mean.”
“I thought you would. I mean to dry out this card, and then, in a good light, we ought to be able to tell what the marks are. In that way we can decipher what Harry wrote even though the black marks are gone.”
“Good! Let’s do it. That’s easier than chasing after a balloon. Here, I’ll dry the card.”
He reached for it, and approached the window on the sill of which the sun just then shone brightly.
“That’s it!” cried Tom. “Meanwhile I’ll get out a magnifying glass to use on the card when it’s dry. With that we ought to be able to read what it says, even if the impressions are very faint.”
“Say, there’s class to us all right,” observed Ben with a laugh. “Maybe we can get a job somewhere, reading secret messages for the government. That would be excitement, and——”
“Here’s some new excitement,” announced Tom, with a glance from the window.
“Wonder what’s up now?” speculated Ben, as he too took a look. “It’s Bill Barber come back, and he’s making for here on the run.”
[CHAPTER XIX—A STARTLING MESSAGE]
“I’ve come back again,” announced the Barber boy, bursting upon Tom and Ben breathlessly.