O'Brien, Robert C. <br/><br/>
Mrs. Frisby and the rats of Nimh / 
Robert C. O'Brien; illustrated by Zena Bernstein. 
 - New York :  Scholastic,  c1971. 
 - 234 pages : illustrations ; 19 cm. 
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<br/><br/><label>ISBN: </label>9780689710681