Before Sudoku
Subtitle: the world of magic squares
By: Seymour S. Block and Santiago A. Tavares.
Contributors: Tavares, Santiago Alves.
Publisher: Oxford University Press
Published: 2009
Place of publication: New York
Language: eng
ISBN-13: 9780195367904
Subjects: Magic squares; Sudoku; Mathematical recreations
Notes: Includes bibliographical references and index.