Like the previous two volumes of Couriers this one if full of manic energy and life you expect from urban living. Cool kids who you probably wouldn't want to meet unless you were their age.
This volume sets up the background for the other stories and shows the protagonists in a bit of a darker light. I find that interesting because in the other volumes they were still being portrayed as heroic but here we see them more as young criminals who are trying to set themselves up to be self-sufficient. Yes, they weren't exactly shining examples of purity and goodness in the other volumes but they were loyal, trusting and well, cool. Here we see how they meet and develop that trust.
What I like the most about these books is that they're like floppies of yore. Chalk full of a single story and overflowing with action but with a page count that lets the story take shape and conclude in one volume. It's basically a fast and energetic narrative that delivers bubblegum action and stylized violence with an art style that fits the story like a Hugo Boss suit.
And Johnny Funwrecker is probably the best name ever.