It's goodbye to an old friend, and hello to a new one in the biggest adventure of Ash's life!When Professor Oak sends Ash on a mission to the Orange Islands, surprises await the young Pokémon Trainer at every turn.One member of Ash's team will say goodbye forever- maybe. A stranger will join the group. But who is he, really? And a gentle new Pokémon is discovered - only it may perish without Ash's help....

Tracey West has written more than 200 books for children and young adults, including the following series: Pixie Tricks, Hiro’s Quest, and Dragon Masters. She has appeared on The New York Times bestseller list as author of the Pokemon chapter book adaptations. Tracey currently lives with her family in New York State’s Hudson Valley. She can be found on twitter at @TraceyWestBooks.