Williams, A. D., Slocum, J., & Shortz, W. (2000). The Art of The Puzzle: Astounding and Confounding ; Jigsaw Puzzles ; Their Long, Popular Reign ; Mechanical Puzzles ; Their History and Their Challenge. [Rosenthal].

Williams, Anne D., Jerry Slocum, and Will Shortz. The Art of The Puzzle: Astounding and Confounding ; Jigsaw Puzzles ; Their Long, Popular Reign ; Mechanical Puzzles ; Their History and Their Challenge. [New York]: [Rosenthal], 2000.

Williams, Anne D., et al. The Art of The Puzzle: Astounding and Confounding ; Jigsaw Puzzles ; Their Long, Popular Reign ; Mechanical Puzzles ; Their History and Their Challenge. [Rosenthal], 2000.