Boy Scouts in the North Sea; Or, The Mystery of a Sub

CHAPTER I

A PACKAGE VANISHES

"Good night!" exclaimed a lad of about eighteen peering from the window in a railway coach. "This train's running on a regular lake!"

"What's that, Jimmie?" asked a companion approaching the first speaker. "Are we on a ferry? I still feel the wheels hit the rail joints."

"Oh, yes, n...