Read, Ronald C., <br/><br/>
Tangrams : 

 -  Courier Corporation,  1965. 
 - 178 pages 
<br/><br/><label>ISBN: </label>9780486214832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Games & Activities.
<br/><br/><label>Dewey Class. No.: </label>793.73  / REA