["Juvenile Nonfiction \/ History \/ General","Juvenile Nonfiction \/ History \/ Modern","Juvenile Nonfiction \/ Technology \/ Machinery & Tools","Juvenile Nonfiction \/ Transportation \/ Boats, Ships & Underwater Craft","Ocean liners;Juvenile literature.","Shipwrecks;Juvenile literature.","Shipwrecks;Pictorial works;Juvenile literature.","Juvenile Nonfiction \/ History \/ General","Juvenile Nonfiction \/ History \/ Modern","Juvenile Nonfiction \/ Technology \/ Machinery & Tools","Juvenile Nonfiction \/ Transportation \/ Boats, Ships & Underwater Craft","Ocean liners;Juvenile literature.","Shipwrecks;Juvenile literature.","Shipwrecks;Pictorial works;Juvenile literature."]