HIDOKU-DOKU - COOL SUDOKU -18x18- 50 Easy + 50 Medium + 50 Hard + 100 Very hard: Large Print + Solutions + bonus 250 classic sudoku puzzles levels very hard - 9 x 9. Format 8.5 '' x 11 ''

- 250 wonderful puzzles + surprise in 250 classic sudokus very hard (need to download and print).- levels continue to please. 50 Easy + 50 Medium + 50 Hard + 100 Very hard- all riddles have only one verified solution- 2 puzzles on 1 page, very practical and convenient- a lot of free space for the progress of your thoughts- good mind support in the excellent form- large font- develops memory, logical thinking, helps to focus- creative possibilities are expandingIdeal gift for all fans of puz...