IP Modeling of Chessboard Placements and Related Puzzles   

   IP Modeling and the Logical Puzzles of Raymond Smullyan   

   The Riddle of the Pilgrims   

   Unconstrained Peg Solitaire   

   The Traveling Space Telescope Problem   

   A Nimatron   

   Fiveleapers a leaping   

   A New Kind of IP   

   Fantasy OR   

   A Metagame of Karate   

   Classroom Exercises in IP Modeling: Su Doku and The Log Pile   

   Box-packing Puzzles   

   Tri-Puzzle: A Three-Cornered Conundrum   

   The Gunport Problem   

   A Tokyo Elevator Puzzle   

   An Alien IP