by Mindful Puzzle Books (Author)
Also the puzzle may contain the regions of random (irregular) shape; this variant is called Jigsaw Sudoku ("Geometry Sudoku," "Geometry Number Place," "Irregular Sudoku," "Kikagaku Nanpure").
Number of Pages: 146
Dimensions: 0.31 x 9 x 6 IN
Publication Date: October 06, 2018