Word Ways has presented a great many challenges, explicit and implicit, since 1968; many were never taken up, and many are not available to newer readers. In this series of articles, we have attempted to gather them in one place.
Cohen, Philip M. and Eckler, A. Ross
"Word Ways Challenges (Part 1),"
Word Ways: Vol. 12
, Article 2.
Available at: http://digitalcommons.butler.edu/wordways/vol12/iss1/2