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Brainfreeze Puzzles
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Color Sudoku
978-1-4027-4714-4
(1-4027-4714-4)
2007
Philip Riley · Laura Taalman
Rainbow Sudoku
978-1-4549-1694-9
(1-4549-1694-X)
2016
Philip Riley · Laura Taalman
Brainstorm Publishing