Hi all!

I just started querying my non-fic book last month, and currently have my proposal in the hands of a couple of agents. This is the farthest I have gotten, so I'm wondering what the rest of the process looks like.

I know with fiction, it's query, partial, full, offer (right?)
And with non-fic, it's query, proposal.... then what? Do agents typically ask for the full manuscript, even though technically they can sell a work from a proposal with samples?

Sorry if this is a dumb question. Waiting is making me anxious and confused!