Thomas, Annabel. Things that float. - Usborne, 1987. - 23p. ill. col.; 20 cm. - Finding out about (Usborne Publishing) . ISBN: 0746001029 Nat. Bib. No.: GB8821589 bnb Subjects--Topical Terms: Boats and boating--Juvenile literature.Ships--Juvenile literature. Subjects--Index Terms: Boats & ships LC Class. No.: VM150 Dewey Class. No.: 623.8/2