 The first installment of the CryptoClassics series, containing more than 200 challenging Cryptoquip puzzles. $6.00 |  Here is the second installment of the popular CryptoClassics series, containing more than 200 of challenging Cryptoquip puzzles. $6.00 |
 In the next installment to this popular CryptoClassics series, Book 3 provides 114 challenging Cryptoquip puzzles. $3.50 |  The fourth installment to this popular CryptoClassics series. Here are 114 more challenging Cryptoquip puzzles. $3.50 |
 NEW! The fifth installment in the popular CryptoClassics series with 114 more challenging Cryptoquip puzzles. $3.50 |  NEW! The sixth and latest installment of the popular CryptoClassics series, with 114 challenging Cryptoquip puzzles. $3.50 |
 NEW! Now you can buy the entire 6-volume set of CryptoClassics -- offering more than 850 challenging Cryptoquip puzzles -- for just $20. That's a savings almost 25 percent over the single-copy price. $20.00 |  Twenty challenging crossword puzzles by Eugene Sheffer. $4.75 |
 Twenty more challenging crossword puzzles from Eugene Sheffer. $4.75 |  The first volume of 22 classic Joseph Crossword puzzles. $4.75 |
 The second volume of 22 classic Joseph Crossword puzzles. $4.75 |  Fifty of Fifi Rodriguez's challenging "Trivia Quiz" game, with questions from ten trivia categories in each puzzle. $4.75, 4/$18.00, 7/$29.75 |
 50 challenging trivia puzzles for the sports enthusiast. $4.75, 4/$18.00, 7/$29.75 |