My first resource is one more or the whole process of getting a good vocal recording from microphone choice to how your room should look. It’s a in-depth guide I strongly suggest if you have or don’t have experience. It’s valuable to understand that a good microphone doesn’t necessarily mean a good recording. Click here to be a vocal recording master!
If you want a more compact lesson how to to prepare from someone with a lot of experience, this is how Neal Cappellino gets ready for a vocal tracking session. The video is 22min long and I think it’s a good watch after the initial article above.