Let me get one thing out of the way: I am in love with Under the Never Sky. Veronica Rossi has woven a tale so intricate and amazing, it is impossible to put down.
Rossi's characters in Under the Never Sky are nothing short of stupendous. They are rich and so full of life that you forget they are simply words in a book. Aria in particular is a fabulous main character and I really loved her. She is strong without being over-bearing. She is also incredibly interesting; I often found myself wanting to be in her head MORE. Her growth throughout the book was beautiful and done perfectly. I couldn't find one flaw, but better yet, because it was so well-done, I didn't want to look for flaws.
Move over Four, I'M IN LOVE WITH PEREGRINE!! Perry was such a perfect counter-balance to Aria. He had grit, wisdom and he was a fighter. I heart everything about him. EVERYTHING.
All of her secondary characters were believable. I even enjoyed the Croven and their sinister bells.
Veronica Rossi goes into incredible detail throughout the story, from the differences between the Dwellers and the Outsiders, right down to the different abilities of people, like the Auds and Scires. At one point, she describes the scent of Dwellers to the Outsiders as "decaying" and I was so intrigued. She later answers that question, by way of other incidents, and that just made me love it even more.
I was also absolutely fascinated with the landscape, the Realms and the Aether sky. I imagined the Aether looking something like a sinister Aurora Borealis. I don't know if that's what Rossi intended, but that's the miracle of a great book: you get to pick the details for yourself. The world she created was so striking and awe-inspiring that I want to step into the pages, even now. I want to revisit it and see the characters again.
This young-adult, science-fiction, dystopian has everything for everybody: blossoming romance, interesting gadgets (I want a Smarteye!), and a beautiful, dangerous landscape in an unknown future. I couldn't have asked for better. The only thing I want now is the next book. Full of passion and adventure, it's a story I will Never forget.