This is a walkthrough, hints, tips, and solutions book for the video game "Myst". There are puzzle by puzzle solutions to each of the games mysteries. It is written in a journal type narrative with the player being talked through the game. The story is that of a person that finds themselves alone on a mysterious island, and must solve puzzles to find out things about each location, and 'Age' that they visit. There are many gray-scale screenshots as well as original production black and white illustrations. Besides the narrtive version there is also a quick solutions and explanations section at the end of the book. The "Revised and Expanded" version of this book includes a new "Foreword", interviews with Rand and Robyn Miller, and a color map/fold out poster that is the size of six pages of the book, it is sealed by a perforation at the center of the book.