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The Bulletin Board Code

Suppose you want to post a special announcement for all your clubhouse pals. It needs to be in plain view for your friends to read. But you don't want a snoopy spy to read the message.

Where would you put it? And how would you disguise it?

The answer is in the Bulletin Board code. It will fool the brainiest spy.

The Bulletin Board code is a list of words-any words-with numbers next to them. The list should look like it really belongs on a bulletin board.

For example, it can be a fake list of your friends and their telephone numbers. Tack it on the clubhouse bulletin board. Though it looks innocent, the announcement is hidden in plain view. Only your pals in the know will see that it's a ...

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