Attack on Titan, Vol. 24

Story
This volume is a giant flashback, that was presented chronologically in the anime series.

We see Eren & Co. as they spend their time in training to fight the titans. We also get a lot more back story on the other members of their trainee class.

I think I prefer the anime's approach of having it chronologically rather than as a flashback. However Mr. Isayama does it early enough in the series that it may not matter too much because most of the story so far has focused on Eren, Mikasa and Armin.

I like this story arc as it really gives depth to the supporting cast which I think becomes more important later on.

Can't wait for volume 5!

Artwork
This volume didn't have quite the level of action in it as previous ones, so it's hard for me gauge on that point.

Mr. Isayama seems to be getting more comfortable with his characters as the series goes on.