There are a couple of answers, but all of the ones I can offer really require referencing some recordings.
1) There are two really traditional endings; the Basie Ending and the Ellington Ending, named for their original or at least associated sources. People will say or shout "Basie Ending" and it's good to know it. They are both very simple, but you should practice them in all 12 keys so that you know that you know them. I hate to try to describe them here. Maybe someone else can articulate them better.
2) It's pretty common to "tag" a few bars at the endings. People will either say "tag the last x bars before we resolve" meaning repeat them 2 or 3 times or they'll just do it. You should be expecting it and listening. Also for intros, it's pretty common to say "let's do the last x bars as an intro" or "vamp on the 1st two chords as an intro", very simple, unless of course you don't know what they mean. Listen for this or have someone locally look at a few charts with you and talk about how they would do that.
3) Stock, famous intros and endings for certain tunes. "The Something Else" intro for Autumn Leaves, the "Dizzy Thing" for All the Things You Are, the Butch Warren line for Recorda Me, the bassline at the front of So What. You've got to get these from the recordings, I'm afraid. You don't have to play them and the people you play with may have a preference for either playing them or not playing them, but you should know them for the tunes that get routinely called in your area.
I suspect that my response isn't coming off as that helpful, sorry it's not my intention. I don't know of book and I could show you everything I know in 1/2 a hour, but it's hard to explain on line.
Do you have a teacher?
