Summers, George J., <br/><br/>
New puzzles in logical deduction / 
By George j. summers 
 - 121 páginas 
 - Dover book of math and word puzzles, logic, curiosities of words, etc. .
<br/><br/><label>ISBN: </label>0486220893 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rompecabezas
<br/><br/><label>LC Class. No.: </label>GV1507.Q5  / S84