First of all,I'm really sorry about your cat.I know how you feel because one of my three cats died last summer plunging from the bedroom window of the 4th floor right on the pavement and he died that night even though I took him at 1 in the morning to the vet.
Anyway,enough with the off-topic talk.This is a great sketchbook you have here.
I can see it's mostly war themed stuff you're doing and that's perfectly fine,because you're very good at it and I'm a fan of war movies.Your sketches are great and some even have a vintage feel to them,which adds to the effect.
I'll have to subscribe to your sketchbook because it's going to be inspiring or will be used as reference when I'll do something war related.
I would like to see your take on a tense night from Nam with some sweaty,dirty american soldiers searching for Viet Congs through the jungle.pld: