"Cubeworld", from the anthology Mathenauts http://books.google.com/books/about/Mathenauts.html?id=tHQsAQAAIAAJ http://books.google.com/books/about/Mathenauts.h

"Cubeworld", from the anthology Mathenauts http://books.google.com/books/about/Mathenauts.html?id=tHQsAQAAIAAJ http://books.google.com/books/about/Mathenauts.html?id=tHQsA... Great book, BTW.