Castor, Helen <br/><br/>
She-wolves :  the women who ruled England before Elizabeth / 
Helen Castor. 
 - New York :  Harper Perennial,  c2011. 
 - 480 p. ; 23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780061430770 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elizabeth I, Queen of England , 1533-1603.<br/>Queens--England--Biography.<br/>Queens--Great Britain--History to 1500.