Steven B. Mertens <br/><br/>
The Encyclopedia of Middle Grades Education (2nd Ed.) 

 - Second edition 
 -  Information Age Publishing  2017 
<br/><br/><label>ISBN: </label>9781681235691 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Levels <br/> Schools <br/> Secondary<br/>EDUCATION <br/>Middle school education--Encyclopedias.