What have I done?

A while back, I was asked whether I wanted to narrate the audio for my new chapter book. I told the folks who asked that I didn't feel I was qualified to narrate a whole book. I really don't know how to handle the voices, and all of that stuff. The other day, I was asked to narrate my latest story collection. I said yes. I've been reading my short stories at schools for years, and I feel comfortable doing that. I have a lot of fun reading them. But I still feel slightly intimidated by the