Echo's Revenge - Sean Austin - Bog

Brothers Jeremy (age 10) and Reggie (age 14) are expert Echo's Revenge gamers. After initiating Operation Thunderbolt, they begin their journey down the West Coast only to discover that Echo-7, a new and indestructible game predator, has developed the ability to reverse the rules of its own video game and hunt them down- in the real world. Sean Austin's investigation and search for Echo-7 continues, at echohunt.com.