It has em all and as far as I know there are no others. Detailed accurate. This is a big book, not a little book and definitely not a guide, this is to help you determine every pokemon in the games both x and y and where to find them and stats, power ups, it is detailed. If you are looking to find every one of these little creatures this is what you will need. Worth the price!
So it does not have the ability to search the Pokedex guide by location or for the likelihood of encountering Pokemon. You won't know which Pokemon to expect in a certain location, or if they only have a 1% appearance or 40%. Other than those features, it is as expected.