Pettit, Ted S.        frey50        <br/><br/>
A guide to nature projects 
Ted S. Pettit; drawings by Walt Wenzel 
 - New York  Grosset & Dunlap  1966 
 - 316 p. 
<br/><br/><label>ISBN: </label>0448259087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Experiments
<br/><br/><label>Dewey Class. No.: </label>j574 Pet   25