The Logologicomathematical 7x7 Puzzle
Homage to a Pied Puzzler
Additional Publication URL
Farrell and Friedhoffer's contribution to "Homage to a Pied Puzzler".
This book chapter was reproduced with permission in Word Ways.
Farrell, Jeremiah and Friedhoffer, Robert, "The Logologicomathematical 7x7 Puzzle" Homage to a Pied Puzzler / (2009): 137-140.
Available at http://digitalcommons.butler.edu/facsch_papers/929