Classic Blue Color of the Year 2020 Sudoku

A fun Sudoku book for the lovers of the brilliant mind twisting game sudoku with different levels of difficulty. All wrapped in a beautifully abstract cover in the color of the year 2020 Classic Blue. Small enough to put in your handbag to do on the train or bus on your way to work or school. Graphic Designers will find this cover an interesting take of A fun reminder of the color of the year for 2020 as well as being a book you can build you maths brain with.