Macaulay, David, <br/><br/>
Castle :  how it works / 
David Macaulay with Sheila Keenan. 
 - First edition 
 - 31 pages :  color illustrations ;  23 cm. 
 - My readers. Level 4 .
 - My readers. .
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Follows the planning, construction, and ultimate testing in battle of a typical fortress with adjoining town built by the English during the Middle Ages. 
<br/><br/><label>ISBN: </label>9781596437449 9781596437661 (pbk.) 
<br/><br/><label>LCCN: </label>bl2012033447 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Castles--Juvenile literature.<br/>Fortification--Juvenile literature.<br/>Castles.<br/>Fortification.<br/>Castles.<br/>Fortification.
<br/><br/><label>LC Class. No.: </label>UG405  / .M18 2012 
<br/><br/><label>Dewey Class. No.: </label>623/.1 623