Why isn't hollyleaf dead?

Ok I'm Shiningstar from YouTube known as thekoolerfire.

Hollyleaf is alive and she is playing an evil part in the series. Firestar will die in the 4th book of Omens of the stars, it may be from her. Erin hunter changed the cover of one of the books in omens of the stars. Hollyleaf thinks shes one of the three...