TY  - BOOK
TI  - Sudoku compendium
SN  - 978-1-78557-854-0
U1  - 793.74 S943 2017 
PY  - 2017///
CY  - London
PB  - Igloo Books
KW  - Logic puzzles
KW  - Sudoku
KW  - Mathematical recreations
ER  -