A novel approach to CalcuDoku: the numbers in a puzzle are not necessarily 1 to 6 or whatever the size is. Instead, the numbers are from different ranges: 2 to 7 or 3 to 8 or 4 to 9 or even 0 to 5 There are altogether 250 puzzles of all difficulties: Easy, Cool, Think, Brain and IQ. Are you ready to see if you can find new ways of solving them, because these puzzles will surely test and develop your wisdom Enjoy
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.