Ender's Game Is one of my all time favorite books, the next book in the series was very good as well.
I never got around to reading the rest of the series, does it pick after that last event in Ender's Game which I can't speak of because I don't know how to use spoiler tags?
Also, I have read (part) of the first book of the Dark Tower series and haven't gotten back into it. I was at the point where the Gunslinger and that boy (don't remember if he had a name...was it Ben?) first get past the desert and into the mountains.
I got put off by the fact that every time I heard about The Man in Black, I thought of the Dark Man, which caused me not to be interested in him as I felt I already had an idea of what kind of character he was.