Widely regarded as the world s most prolific wellspring of logic games and brainteasers ... if anyone comes up with the next craze, it will be Nikoli "The New York Times"Heyawake is a popular logic puzzle from Japan that s new to these shores, and will delight sudoku fans. Here s how heyawake works: Dark lines divide the grid into many different rooms. Some rooms contain a number, which indicates the number of black cells inside that room. Black squares may not lie horizontally or vertically adjacent to another black square ...

Heyawake & Sudoku 2008, Sterling, New York

ISBN-13: 9781402757495