The Immune's Cure (The Walking Dead/Carl Grimes)

Fifth and final book! If you haven't already go read my other four!

Negan wants her
Her group needs her

Casey has to make a hard decision of giving up her freedom to Negan or losing Carl. She goes undercover with Negan to gain information on the Saviors. Little does she know that her own father is living amongst them trying to figure out why this girl is so familiar. Rick does everything he can to get her back. Carl makes dangerous choices to see her. Everyone's life is on the line. Sara and Jude are getting closer to finding their cure to end this apocalypse.

Is Casey strong enough?
Will she lose everything?
Or will she save everyone?