Trumbauer, Lisa, 1963- Sink or float? / written by Lisa Trumbauer. - New York : Newbridge Educational, c1997. - 16 p. : col. ill ; 50 cm. - Physical world set . - Physical world set. . Includes index. Simple text and photographs describe the principle of buoyancy. ISBN: 1567843220 (oversize pbk.) Subjects--Topical Terms: Floating bodies--Juvenile literature.Oversize books--Specimens.Floating bodies.Oversize books. LC Class. No.: QC147.5 / .T78 1997 Dewey Class. No.: BE 532.25 TRU /I