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. CalcuDoku is a fun and addicting logic puzzle game that combines S

When you buy this book you get an electronic version (PDF file) of the interior of this book. Futoshiki is a fun and addicting logic puzzle game that combines S

When you buy this book you get an electronic version (PDF file) of the interior of this book. Slitherlink is a fun and addicting logic puzzle game. The goal see

When you buy this book you get an electronic version (PDF file) of the interior of this book. Binary Puzzles are fun and addicting logic puzzle games. The goal