Attack on Titan Vol 9

From the Kodansha edition

HUMANITY'S WORST NIGHTMARE Eren is still resting from his brutal fight with the female Titan, when word reaches the interior that the impossible has happened: Wall Rose itself has been breached, and Titans are pouring through the gap! The emergency casts new urgency over Armin and Hange's questions about how the walls were built, and what humanity can do to restore them... PRAISE FOR THE HIT ANIME "A visceral and fantastically intense action/horror story." - Anime News Network "Japan’s equivalent of The Walking Dead." - io9

Source: Penguin Random House API