The Radio Boys Under the Sea: or, The Hunt for Sunken Treasure

“What was it pulled us through?” mused Tom. “Luck or pluck?”

“A combination of both perhaps,” laughed Benton. “Not throwing any bouquets at ourselves or anything like that.”

“You’ve left out the most important thing,” said Phil. “Without it we wouldn’t have found the ship. Without it we wouldn’t be here now.”

“What is that?” asked Dick with a puzzled air.

“Radio,” answered Phil