I think this series just keep getting better with each book. The world building is excellent. The strength of all the different characters; each with their own unique personality. I loved the interaction (but then THAT'S what makes this series so good) and interplay between Rachel, Trent, Al, Jenks, Quen, Bis, etc. I love how loyal Rachel is to her friends, no matter who they are. She is quick to forgive. The build-up between Rachel and Trent as they (I hope) realize their feelings for each other. When this series began I certainly didn't see or want them to get together, but Trent grows on you. He changes and grows/matures. As always, the ending leaves you wanting more.