David Nacin

titleISBN-13
(ISBN-10)
year of publication
Math-infused Sudoku: Puzzle Variants at All Levels of Difficulty978-1-47O4-5O9O-8
(1-47O4-5O9O-9)
2019

David Nakayama · David Nascene · David Newsome · David Nguyen · David Nickson · David Nixon

David Nacnshon