Hello, Cleo, and welcome to LibriVox. I'm sorry about the long delay in answering your post.
I see you've already started to get involved, but it's best to work your way through the steps described in the introductory email.
After your technical check, do read a few short works before you get involved in anything longer. It's surprising how long it takes to produce even a single poem. I remember almost abandoning my first solo here (about fifteen years ago), at least partly because I had realised that it would take much more work than I'd expected.
Phil has made a video to introduce new members to LibriVox, too:
https://www.youtube.com/watch?v=OKLWam9cfVo&t=74s ... and you can always get help in the Need Help subforum, further down the main page of the forum.
I hope you'll enjoy your stay here.
Peter