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: 232
Dimensions: 0.49 x 9.02 x 5.98 IN
Publication Date: October 11, 2018