Having bought the guide to go with the last game after I completed the storyline I pre-empted myself and got this guide too.
It arrived far quicker than I thought so I had it in time when the game was here. The game itself has really changed and I am very glad I bought this one, the crystarium being a very important part of the character levelling, it makes a difference having the guide to tell you the optimum way of improving your characters. You can basically get more out of them by following the books instructions. It can be confusing initially but once you get the hang of the system it's so easy.
It's just as beautifully laid out as well, with gorgeous artwork of the game characters. It's well designed and I haven't encountered any spoilers. There's good sections that give you great suggestions on how to improve the gameplay as it's not as linear as the last game. I'm aiming to complete this game 100% and don't want to miss out on items and side-quests etc which this draws your attention to.
On the way the book is made, they've added two bookmark ribbons so that you can switch between two sections easily, the cover is padded as well which sounds silly but feels and looks lovely.
I've found it already invaluable and it looks great in my collection alongside my games and other guides. I haven't got very far in but am really looking forward to playing the rest of the game and having the guide by my side