Attack on Titan: Before the Fall Complete Set

The complete collection of "Attack on Titan: Before the Fall".  Includes volumes 1 - 17.

Humanity has learned to live in complacency behind its high walls, protected from the giant Titans. But when a Titan-worshiping cult opens one of the gates, a Titan wreaks havoc, consuming the cultists. After the rampage is over, two young Survey Corps members are shocked to discover a pregnant woman's partially digested corpse - with her baby still alive inside it! What will the fate of this "child of the Titans" be? And how will humanity learn to cope with the Titan threat?