The Black Shadow "Rainbow Walker" is the third book in the series of stories following Connor Jones, a young hacker with an electronic world to explore and conquer. The unit has been absorbed by the new military cyber command and tensions are high as the Internet erupts into a shower of inter-country denial of service attacks on a range of computer and electronic infrastructures. Will Connor and the team manage to find out who is causing this chaos before someone with large weapons escalates the conflict into the real world?