Below the drawing of the safe, were these words:
“At last! Follow instructions. Success is certain. Map enclosed. Point straight to the north.”
The boys gathered closely around Clay, standing under the brilliant prow light, and examined the paper, passing it from one to another with questioning glances.
“I guess,” Alex said, “that we are drawing somebody else’s cards.”
“Well,” Case suggested, “that’s a queer kind of a hand to come out of the night.”
“Perhaps,” Jule observed, “they present travelers on the St. Lawrence with these little souvenirs just to excite interest.”
“Point straight to the north,” repeated Clay. “I wonder what that means.”
“I’d like to know what any of it means,” Alex asserted. “It looks to me like some one was butting in.”
“Well,” Case remarked, “we have started out on every trip with a mystery to unravel, and here we go again, loaded up with another.”
“You bet we have!” laughed Alex. “We harvested gold on the Amazon, caught murderers on the Columbia, found a secret treasure in the Grand Canyon, and chased pirates on the Mississippi, but this is the only real Captain Kidd mystery we have struck yet.”