sudoku: 300Intermediate level puzzles 8.5x 11 book# 2, (Paperback)

Just released:

• First edition of a collection of three books. Sudoku is a mathematical game that was invented in the late 1970s gained popularity in Japan in the 1980s and became known internationally in 2005 when numerous newspapers began publishing it in their hobby section, In this opportunity, I'm going to publish the book#2 that are made up of 300 sudokus each of medium level for kids, young boys and adults with very large numbers easy to see. we invite you to the search for solutions to this wonderful thinking game without much math, just with a little skill, estrategy and technique we will solve the challenges we find that could also be an excellent gift for your loved one. thank you