I think that Orson Scott Card and George Lucas must have had a meeting at some point and came up with all the ways you can destroy a franchise by adding on useless and clumsy story to your original work. 
 Card wrote one of my favorite sci-fi books, Ender's Game, and then ruined every good feeling I had towards him by a parade a horrible sequels and tie-ins that either have nothing to do with the original story or repeatedly revise and rehash the original material so much that it's in danger of becoming just as bad. And how stupid am I that I've kept reading long past the point where anger and frustration are now souring my enjoyment of the original? 
 While the original Ender's Game actually had action and events that had emotional consquences, all the rest of the books are just tedious dialogues about things that will happen and debates about the emotions they should be feeling. And all the characters know what events will happen because of how incredibly smart they are! And they'll tell you that. Repeatedly. It's like sci-fi done by Aaron Sorkin. Painful. Just freaking painful. 
 There's no genuine conflict here because Card has built Ender up into such a saint and all-knowing being that there's no chance of any outcome but Ender winning by being oh-so-wise. 
 Set shortly after the ending of Ender's Game, a large part of the book revolves around a power struggle between Ender and the admiral of the ship taking him to the colony where he will be governor. But because Card can't stand to have anyone be smarter or an actual danger to his heroes, all the 'good' characters instantly know that the admiral is planning to sieze control once they get there. Even before the ship leaves. If they knew he was going to try and take over, then why send him at all?? 
 Oh, and be warned. The afterword here states that Card is going to rewrite Chapter 15 of Ender's Game to correct 'mistakes' that don't correspond to the garbage he's written since. My advice is to buy an original copy of EG before that happens, and never, ever buy another one of these craptastic Ender follow-ups.