The Kings of the Seven Bells — Marti Talbott

There was a time when the Carbollo and the Mobbox children played together in the grasslands, tossing stones, foot racing, and solving riddles â€" all designed to prepare them for the days of the seven bells. Yet, when the Carbollo grew suspicious of the Mobbox, the adults no longer allowed it.  Had it not been so, Raxton Carbollo and Nerratel Mobbox might have become fast friends. Instead, they were destined to be resolute rivals.