Brooke, Maxey <br/><br/>
150 puzzles in Crypt-Arithmetic 

 - New York  Dover Publications  1963 
 - 72p.  22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles
<br/><br/><label>LC Class. No.: </label>GV1501.B7