USUM Steelbook news - via Serebii (http://www.serebii.net/)
Amazon Canada has revealed the special Pokémon Ultra Sun & Ultra Moon Steelbook. This steelbook comes with both Pokémon Ultra Sun & Ultra Moon and showcases artwork of Solgaleo and Lunala on both sides. It's set to be $99.99 and currently has no further international news. We'll bring full details on this when it comes
Edit @ 22:06: Amazon.com has also now added it for the US for the price of $79.99
And Joe (Serebii) has tweeted, saying that he found the CoroCoro cover, and it hints that it's only going to contain new Movie information.