Boxed in

It should have been a simple load-balancing problem for container ships -- all in a day's work for Dr. Andrew Walker, resident computer genius at Universal Container Logistics. But the more he looks, the more a pattern emerges that someone is up to no good on a global scale. All too soon, he and his new bride Jane are on the run, as everyone from drug cartels to the CIA seems to want them dead.The Walkers find themselves isolate and hunted by powerful opponents, with only their wits and resourcefulness to fall back upon.