Return of the Golden Age is the final book in The Fisherman's Son Trilogy.
In Return of the Golden Age, Wiley O'Mara travels with six boys from the magnificent ancient city submerged beneath the ocean to his own impoverished island. The boys, having been protected for thousands of years by a magical air bubble, must now adjust to life in a poor village at the turn of the nineteenth century. Wiley must help them to survive. He must also help the villagers to understand their heritage - that they are descendants of a rich and powerful people. This book is filled with magical beings and places, including golden rings and a mysterious cave.