Volume 27

Fullmetal Alchemist: Volume 27 is the last volume released for the Manga, released on November 22, 2010 in Japan, and December 20th, 2011 in the United States. It was written and drawn by Hiromu Arakawa. It features Edward holding Alphonse's helmet from his armor, symbolizing how Edward had gotten Alphonse's body back and would no longer need it.

Synopsis
From the back of the volume:

"The Final Chapter! With the help of Hohenheim and their allies, the Elric brothers launch a desperate final attack against the homunculus “father.” But to claim victory, some may have to make the ultimate sacrifice. And when the dust clears, will a happy ending await our favorite characters in the final volume of Fullmetal Alchemist?"

Chapters Included

 * Chapter 107: The Last Battle (最後の戦い, Saigo no Tatakai)
 * Chapter 108: Journey's End (旅路の果て, Tabiji no Hate)
 * Bonus Chapter: Another Journey's End(もうひとつの旅路の果て, Mō Hitotsu no Tabiji no Hate)

Trivia

 * This is the final volume and features the last chapters of the Manga ever published.
 * The anime episodes follow the Manga Chapters very closely, much like the Brotherhood was known for.

ISBNs (Wikipedia)

 * Japanese: ISBN 978-4-7575-3054-6
 * American: ISBN 978-1-4215-3984-3