I can not find totally what makes the bottom and the lure of the first two volumes. He shoots length and I often feel to be with these emotional scenes that seem forced me, not very naturally brought to context.
This fourth volume does not have the intellectual and physical strength of the first, he did not serenity in the middle of a battlefield 2nd ... well, it did not really hit me even if I was happy to see Ender and Valentine ...
I conclude that this is difficult, but ...