When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Numbricks 15x15. After solving all the

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

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

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

When you buy this book you get an electronic version (PDF file) of the interior of this book. You can play the puzzles in this book on your mobile phone! Jigsaw