A Hanjie puzzle consists of a grid of empty white squares, with every row and column in the grid having an adjacent list of one or more numbers - these are the clues. Completing the puzzles involves nothing more complex than shading or colouring in the number of squares dictated by each row's or column's list of clues. The twist is that the clues only tell you how many squares to shade in on a line - it is up to you to work out where they go Dr. Gareth Moore gained his PhD in machine intelligence at Cambridge University, and runs his own Sudoku and Kakuro websites. His The Book of Kakuro was the first Kakuro puzzle book to be published in this country since the game first appeared in a British newspaper in 2005, and he is also the author of The Book of Japanese Puzzles - And How To Solve Them: Sudoku, Kakuro, Hanjie.… (more)