Then grappling with young Jack, he helps him up with a desperate jerk.
Just in time.
Hardly are they landed when the hideous monster shoots past him.
"Ugh! you beast!" growled young Jack.
And he shook his fist at the shark, while the latter, after shooting past, turned round and paddled leisurely back, making sure of them yet.
But they were not left long at liberty to enjoy the shark's disappointment, for they were startled by a great noise and commotion going forward in the prison.
Young Jack looked inquiringly at his companion.
"Our absence discovered?"
"I suppose so. Let us make tracks as soon as we can."
With this they set to work to loosen the boat.