Conceptis Puzzles
Author page on Amazon.ca (opens in a new tab)
Books
- Brown Belt Kakuro: 150 Puzzles · Paperback · 2006 Growing
- Second-Degree Brown Belt Kakuro · Paperback · 2012 Growing
- Second-Degree White Belt Kakuro · Paperback · 2012
Author page on Amazon.ca (opens in a new tab)