Will Shortz Presents Sudoku for 365 Days: A Year of Easy-to-Hard Puzzles (Will Shortz Presents...)

Name: Will Shortz Presents Sudoku for 365 Days: A Year of Easy-to-Hard Puzzles (Will Shortz Presents...)
Author: /author/Will_Shortz_(Sudoku_Easy_to_Hard%3A_Presented_by_Will_Shortz%2C_Volume_2)