It changed back when Tucker kissed her for the first time and she was in glory.
None of the covers seem to get her hair color right. On the US ones she's a brunette on all of them. On the UK ones she has blonde (or more like white) hair even on the first book. And the AUS ones have red haired Clara.
I noticed how it says 320 pages for Boundless on goodreads. I'm just hoping that's not the final page count. Cynthia thought she had enough material for a fourth book so why would this last book be a 100 pages shorter than the previous two. It makes no sense.