Perplexing Pattern Problems & Other Puzzles (Mastermind Collection)Ivan Moscovich · First published 2005Open the Tome
Sensational Shape Problems & Other Puzzles (Mastermind Collection)Ivan Moscovich · First published 2005Open the Tome
The Monty Hall Problem and Other Puzzles (Mastermind)Ivan Moscovich · First published 2004Open the Tome
The Shoelace Problem & Other Puzzles (Mastermind Collection)Ivan Moscovich · First published 2004Open the Tome
