Amazon.com description: Product Description: Mario and friends are back in the drivers' seats once again in one of the most anticipated Game Boy Advance titles of the year: MARIO KART SUPER CIRCUIT. A mix of the best features from the SNES and N64 versions, MARIO KART SUPER CIRCUIT races to the head of the class. With track tips, character bios, and information on each and every new feature, you'll need MARIO KART SUPER CIRCUIT: PRIMA'S OFFICIAL STRATEGY GUIDE to keep you from being left in the dust.

The Mario Kart series began in the early 1990s with the Super NES system. Since then, the original kart-racing game has caused a craze that has spawned one N64 sequel and dozens of third-party, other-system knockoffs. The newest title, MARIO KART SUPER CIRCUIT for the Game Boy Advance, has set itself up to be the ultimate kart-racing game, borrowing only the coolest features from both the SNES and N64 versions. With all-new tracks, four-player link play, and all your favorite racers, you're sure to have hours of racing fun at your fingertips. Detailed information on all new tracks to help you zoom through at lightning speeds Character bios for all your favorite racers, including Mario, Luigi, Princess Peach, Bowser, Toad, Wario, Yoshi, and Donkey Kong Control tips to help your game stay on track Locations of all the best weapons for your sabotaging pleasure Multiplayer racing tactics will have you beating your buddies every time Secrets to unlock hidden tracks Mario fans, Game Boy Advance owners, Kart racing fans, multiplayer fans

SUPER MARIO KART 64: PRIMA'S UNAUTHORIZED STRATEGY GUIDE (ISBN 0-7615-1078-9) has sold more than 40,000 copies DIDDY KONG RACING: PRIMA’S UNAUTHORIZED STRATEGY GUIDE (ISBN 0-7615-1346-9) has sold more than 30,000 copies