Knights and Knaves involves knights (who always tell the truth) and knaves (who always lie). They were proverbial as liars, cheats, and accomplished knaves. " Taleb, writes John Kay, "describes writers and professionals as knaves or fools, mostly fools. John and Bill are residents of the island of knights and knaves. The puzzle is based on Knights and Knaves puzzles. The Aces featured dragons, the kings were seated, and the knaves were all distinctly female. It is one of the rare sets to feature female knaves. The modern Mexican pattern also has female knaves. Depending on the manufacturer, the knaves may be female. Knaves is played with 3 or more players.