4/5 stars   Fortress Britain (Arisen #1)   The ZA (Zombie Apocalypse) has taken out most of the world, but there are still a few survivors managing to hang on. We are introduced to several different military crews and through their stories we learn about the state of the world. We also learn that there’s a new type of Zulu (zombie) and it seems that its primary goal is to infect instead of eat. This book was definitely a set up for the rest of the series, but nonetheless it was extremely