IQ Resources on the Web
PeterPuzzle Find at this website puzzle projects by Peter Grabarchuk, including puzzle products, books and publications, web puzzles, and other puzzle activities.
Age of Puzzles AgeOfPuzzles.com is a web part of a puzzle-book-web project entitled Age of Puzzles. The project makes a comprehensive mosaic of puzzles created by different people in different time and at different places. It's a Colorful Journey through Endless Patterns of Quick Wits!