New 25th Anniversary Ultimania's announced.

So going along with the giant box set of every game in the series, it looks like Squenix will also be releasing new Ultimania guides for the series, though it's reported that it will feature more rare and obscure artwork and info than other Ultimanias. They plan to release three books, the first one covers the Nintendo era titles, the second covers the PS1 titles and the last book covers FFX-FFXIV.

Final Fantasy Memorial Ultimania Books Announced -- Andriasang.com