This is a story, and hint book based on the video game "Metal Gear" for the Nintendo Entertainment System {NES}. It tells the story of a marine captain named Justin Halleyptain code named "Solid Snake", as he infiltrates a terrorist base, to stop a weapon known as Metal Gear. The book was written by Alexander Forest, the book is credited as being "Created by F.X. Nine", a production name created by Seth Godin. At the end of many of the books chapters there are hint about playing the video game. The earliest editions of the book did not have a "Trading Card", but later editions included a insert page, with a perforated trading card that could be removed from the book. In total 10 books were released in the "Worlds of Power", book series, each based on a NES game. The final page of the first edition of the book has a "Worlds of Power, Givaway", where there reader could win a Game Boy, or a game carrying case. The book is based on the Konami/Ultra Games video game of the same name.

Worlds of Power:
* #1 Blaster Master {ISBN: 059043778X} Writen by A.L. Singer.
* #2 Metal Gear {ISBN: 0590437771} Writen by Alexander Forest.
* #3 Ninja Gaiden {ISBN: 0590437763} Writen by A.L. Singer.
* #4 Castlevania II: Simon's Quest {ISBN: 0590437755} Writen by Christopher Howell.
* #5 Wizards and Warrors {ISBN: 0590437690} Writen by Ellen Miles.
* #6 Bionic Commando {ISBN: 0590443151} Writen by J.B. Stamper.
* #7 Infiltrator {ISBN: 0590443143} Writen by A.L. Singer.
* #8 Before Shadowgate {ISBN: 0590443135} Writen by Ellen Miles.

Junior Worlds of Power:
* #9 Mega Man 2 {ISBN: 0590437720} Writen by Ellen Miles.
* #10 Bases Loaded II {ISBN: 0590443127} Writen by A.L. Singer.