We had our picks of several dystopian books for English this year. Unfortunately, by the time I came to pick up a book only Ender's Game and The Host were left-one of which I've already read and one of which I don't want to read. I'd rather read Ender's game again than read The Host, so that's the one I picked. I'm actually pretty happy with this arrangement; I really liked Ender's Game the first time around. I don't really know how it made it onto a dystopian list, though- there is not much about it that is actually dystopic, at least nothing I can remember.
The only thing that I would consider to be dystopic in the book is the way the government lies to everyone about why battle school exists, and I'm not even supposed to know about that yet... I guess the population control law might count, though. The people certainly live in fear, but the living conditions are pretty good and the government is pretty much the same as it is now. Here's a picture of the book, and a link to buy it :
http://www.amazon.com/Enders-Game-Ender-Book-1/dp/0812550706/ref=sr_1_1?ie=UTF8&qid=1360262693&sr=8-1&keywords=ender%27s+game
