Barr, Stephen <br/><br/>
2nd miscellany of puzzles  mathematical and otherwise 
Stephen Barr 
 - [New York]  Macmillan  c[1969] 
 - 224 p.  illus.  21 cm 
<br/><br/><label>ISBN: </label>0000075899 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations<br/>Puzzles.