Coffee Break Su Doku book 3: 200 challenging Su Doku puzzles
by
Collins Puzzles
Paperback
details (
UK
).
ISBN: 978-0-00-834390-3
ISBN-10: 0-00-834390-X
Collins
· April 2020
See also:
2019
Paperback
Coffee Break Su Doku book 2: 200 challenging Su Doku puzzles