Train your brain
Subtitle: a year's worth of puzzles
By: George Grätzer ; translated by Tom Artin
Publisher: A.K. Peters/CRC Press
Published: 2011
Place of publication: Boca Raton, FL
Language: eng
Number of pages: 235
ISBN-13: 9781568817101
Subjects: Word problems (Mathematics); Word games
Work titles: Elmesport egy esztendőre
Notes: Translated from the German.