Book of Donmon Teith

The Curious History of the Riddle investigates the fascinating origin and history of the riddle, from the very first riddle (the Riddle of the Sphinx) to the tw

Discover the curious history of the world's most addictive game and its unusual upbringing. Celebrating the 100-year anniversary of the beloved crossword puzzle

DIV2013 marks the 100th anniversary of the crossword puzzle. Journalist Arthur Wynne had wanted to devise a new game for the back of the newspaper back in 1913,

This fanciful, original collection for readers of all ages features arithmetic puzzles, logic problems related to crime detection, and logic and arithmetic puzz