Zajonc, Taylor

"When several sailors are trapped in a sunken battleship, the Oliver family is called on to rescue them. But Samuel's father and uncle are too big to move in the sunken boat. So Samuel descends into the deep. Can Samuel find the sailors in the dangerous wreck and lead them to safety?"--Provided by publisher.

"After a long search, the Oliver family finds the sunken treasure ship they seek. But when they try to retrieve the fortune, a giant squid attacks! Can Samuel subdue the squid so his father and uncle can get the riches? And squid don't need gold! What is the monster really guarding?"--Provided by publisher.

"A German submarine has torpedoed the steamship 'Maiden.' The damaged ship is an iron island in the sea. The Oliver family is called on to repair the vessel. Samuel sneaks off to prove to his father that he can safely explore the ship. When the Germans come back to sink the ship they capture Samuel's father and Uncle. Can Samuel thwart the Germans and rescue his family?"--Provided by publisher.