Big Book of Su Doku Book 4: 300 Su Doku puzzles
by
Collins Puzzles
Paperback
details (
United Kingdom
).
ISBN: 978-0-00-832388-2
ISBN-10: 0-00-832388-7
Collins
· 2018
See also:
2019
Paperback
Big Book of Su Doku Book 5: 300 Su Doku puzzles