The Lost Riolu (Pokémon Diamond and Pearl Chapter Book, #2)
When Ash and his friends encounter an injured Riolu, they want to help it. But this is no ordinary Riolu. It's afraid to trust Ash, and with good reason: Riolu's on the run from two different groups of Pokemon poachers, including ruthless Hunter J.
Now it's up to Ash to win the little Fighting-type's trust. Because the move that makes Riolu so spec