As for my brothers,' Zeus said, 'we are thankful -' he cleared his throat, like the words were hard to get out - 'erm, thankful for the aid of Hades.' The Lord of the Dead nodded. He had a smug look on his face, but I figure he'd earned the right. He patted his son Nico on the shoulders, and Nico looked happier than I'd ever seen him.
Rick Riordan