I wasn't able to stop reading the whole book, because it really made me stay curious. I expected a lot, I expected too much. Maybe, Mr. James Dashner could have made some developments regarding Thomas' memories (view spoiler)[they were able to hack his brain, make his memories return, BUT, why does it seems not? (hide spoiler)]. I cannot really say a lot, but, this book : 
 it literally made hanging. I still have a lot of questions in my mind, that aren't even answered. I'm not satisfied, it made me rather a little confused.