This book. Personally, it's going on the shelf where I keep iconic, classic must-reads. I didn't like the book but I loved the book. Does that makes sense? The Night Circus by Erin Morgenstern is pure artistry - I knew within pages that it was something different and special and a bit other. 
 As for my review... Firstly, the format of the book is unique as there are 3 different time-lines. One is present day and based on the reader's perception. This timeline is basically poetic interludes throughout the story. The other two timelines are told alternating between chapters, though the older timeline has much more focus until they converge at the end. It's a unique format but a good choice as it allows for the addition of a character at the end would have been jarring if the stories hadn't been told concurrently. 
 The mythos is fascinating and eerie. Many of the characters are not the most loveable but they are (mostly) all sympathetic and likeable. Most interestingly, I thought the ending came full-circle in many ways, with characters having grown and yet taking certain similar steps anyway. (I know that's vague but I really can't be clearer without spoiling.)