Nelson, Robin <br/><br/>
Float and sink / 
Robin Nelson  
 - London   Lerner  2008 
 - 23 p. 
<br/><br/><label>ISBN: </label>9781580133661 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Young Learners<br/>Floating bodies
<br/><br/><label>Dewey Class. No.: </label>532.25 NEL-R