Review: The Nameless Prince by Dominick R. Domingo

From Goodreads:
Seth Bauman has issues. His Mom split ten years ago, right after his birth, and guardian Uncle Troy won't discuss the past. Seth's only friend is Mexican immigrant Elena, whom he must walk home from school through Silverlake's gang-ravaged streets. When Elena is abducted by local gang 'the Mayans,' Seth has no choice but to follow the Boatman of the L.A. River into the sprawling network of sewers and metro tunnels concealing Mayan headquarters. To Seth the great labyrinth unfol...