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Filed the following ads from D. Van Nostrand Co. in <br>
Filed the following ads from D. Van Nostrand Co. in <br>
the "Book Ads" folder : -  <br>
the "Book Ads" folder : -  <br>
50 BRAIN TWISTERS by D St. P Barnard
<u>50 BRAIN TWISTERS</u> by D. St. P Barnard  <br>
<u>MATHEMATICAL PUZZLES AND PASTIMES</u> by Aaron Bobst, Ph. D.  <br>
<u>RIDDLES IN MATHEMATICS</u> bt Eugene P. Northrop <br>
<u>ONE HUNDRED BRAIN TWISTERS</u> by D. St. P Barnard <br>
<u>MATHEMATICAL DIVERSIONS</u> by J.A.H. Hunter & Joseph S Madachy  <br>
<u>GEOMETRICAL DISSECTIONS</u> by Harry Lindgren  <br>
<u>50 MATHEMATICAL PUZZLES AND ODDITIES</u> by Nicholas E. Scripture
 
Filed the following games : -
<u>THE ADVERTISING GAME</u> (510)  <br>
<u>BATTLE OF THE LITTLE BIG HORN</u>  (650) <br>
<u>HURRICANE</u> (314)  <br>
<u>PERPLEXION</u> (610)  <br>
<u>SEDUCTION</u> (500)  <br>