Aside from the DLC bonus, the Tales of Xillia 2: Prima Official Game Guide features an expanded digital guide, which includes all of the content from the hardcover book plus more enemy data and videos for boss fights. Both guides are giving a complete walkthrough, including earning every trophy and finding all collectibles.
Tales of Xillia 2 is the sequel to the Tales of Xillia videogame that was released in the 6th of August in 2013. The second game is being made available around a year later on the 19th of August. If you haven’t already, you can preorder Tales of Xillia 2 right now with this link. The Tales of Xillia 2: Prima Official Game Guide is releasing on the same day as the sequel.