This was a good conclusion to the story. The atmosphere and world building is tremendous and I truly got lost in the writing. The middle is slightly slow and it took me longer to read it compared to Passengers. The characters grew and became more vivid in this one. The romance between Etta and Nicholas really had me invested and didn't disappoint. I could see a spinoff book coming from this story (Sophia & Li Min please). I look forward to more from this author.