Welcome back to the Sinnoh region--where there are even more mysteries and challenges to unlock - We take you back to Sinnoh in the Official Pokemon Platinum Strategy Guide, with detailed walkthroughs, game play tips, and places of interest - Explore the new Battle Frontier, and check out our detailed strategies for beating the new Frontier Brains. - A fully-loaded, all-inclusive Pokedex completes this all-in-one strategy guide, with information on moves, locations, and data for all Sinnoh Pokemon. - A separate bonus Pokedex includes annotated data on all 492 Pokemon in the National Pokedex.