Thunderbird folders list

I run one of my email accounts through Thunderbird. I prefer a display with the column on the left with the various folders (sent, drafts, several archived folders), next to the list of emails currently in the inbox. I somehow just disappeared the column with the folders list and after 20 minutes of dicking around can’t figure out how to get it back. I went to the Thunderbird help page but apparently am not using the right search terms.

I’ve got Windows XP and the current version of Firefox.

Anyone know what I’m talking about, and if so, how I get my folders list back?

TIA.

Oops, there it is.

Nevermind.