Checking Up 3 

 -  Newgate Press,  1973. 
 - 40p.;  20cm 
<br/><br/><label>ISBN: </label>0550770321 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primary Education
<br/><br/><label>Dewey Class. No.: </label>372.7  / CHE