Doppelgangers (Doppelganger Series Book 1)
Look at that cover. Now look at this description:
In a nightmarish world lies an enrapturing tale of Princess Scarlet, whose kingdom Aereath is in the midst of war with legendary monsters known as Doppelgangers. On the day of coronation, Aereath is ambushed and Scarlet disappears…
(h/t Marc)
It got one thing right: no-barrier self-publishing has indeed created a nightmarish world, and that’s where this lies.