Chapter 10: X

X An Important Discovery When the Hardy boys returned from school next afternoon they saw that a crowd had collected about the bulletin board in the post office. “Wonder what’s up now?” said Joe, pushing his way forward. Boylike, he was able to make his way through the crowd with the agility of an eel, and Frank was not slow in following. On the board was a large poster, the ink on which was scarcely dry. At the top, in enormous black letters, they read: $1,000 Reward Underne…