A while back I was fortunate enough to have been asked to write an article for the Art of Firemanship Days Journal, #8. The article - "The Case For The Half-Story in Your Size-Up", discusses the importance of specifying a half story in your size up, and what this announcement should mean to you.
I have attached a .PDF version of the article here:
A link to the Art of Firemanship Journal can be found here:
There is a lot of great info by a lot of great writers in our industry, you should check out the publication if you get a chance. It is put out by Battalion Chief Brian Bastinelli with the Harrisburg, PA FD.