Every debut novel should have a launch page - a one-stop shop where readers can find out about your upcoming book, and sign up to be notified when it is available.
This video will walk you through setting one up using MailChimp's free tool, and show you an example of a basic and complex launch page.
Helpful links:
Sign up for MailChimp: mailchimp.com
Get more marketing advice: AlessandraTorreInk.com
Alessandra's Step-By-Step Marketing Course: goo.gl/AWckV5