When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Shikaku. You will experience Shikaku 21

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Hidoku. You will experience Hidoku 20x2

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Minesweeper. You will experience Minesw

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving different sizes of Minesweeper. You get

When you buy this book you get an electronic version (PDF file) of the interior of this book. Hidoku is a fun and addicting logic puzzle game. It is very simila