O'Brien, Robert C. <br/><br/>
Mrs. Frisby and the rats of Nimh / 
Robert C. O'Brien ; illustrated by Zena Bernstein. 
 - 1st Aladdin ed. 
 - New York :  Aladdin Books,  1986, c1971. 
 - 233 p. :  ill. ;  19 cm. 
<br/><br/> Having no one to help her with her problems, a widowed mouse visits the rats whose former imprisonment in a laboratory made them wise and long lived. 
<br/><br/> Newbery Medal, 1972 
<br/><br/><label>ISBN: </label>9780689710681 
<br/><br/><label>LCCN: </label>86022324  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Class sets.<br/>Novel studies--Textbook.<br/>Novel study--Textbook.
<br/><br/><label>LC Class. No.: </label>PZ7.O135  / Mr 1986 
<br/><br/><label>Dewey Class. No.: </label>[Fic]