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! Become

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! Become

When you buy this book you get an electronic version (PDF file) of the interior of this book. This book includes 216 large, blank Sudoku 16x16 grids for you to

A full-color, hardcover collector’s edition of the landmark webcomic. Years in the past, but not many, a webcomic launched that would captivate legions of dev

In Masters of Sex, critically acclaimed biographer Thomas Maier offers an unprecedented look at William Masters and Virginia Johnson, their pioneering studies o