Seven Sleepers: The Lost Chronicles Series #4, City of the Cyborgs

Although the Seven Sleepers don't know anything about cyborgs, they agree to help their new friend Rainor rescue his sweetheart from them. But the city of the cyborgs is totally bizarre. The Sleepers get in, but they can't get out. Watch Josh and Sarah and your other Sleeper friends tackle their rescue mission. And see them get the advice they need from God, their good leader, at just the right time.