J Mercer collects only email for her mailing list. Name and address are optional. Sign-ups may be direct via the Mail Chimp form found on her website or via Facebook and Instagram. They also might be added at events via a mailing list sign-up form.
This information J Mercer collects will only be used to send infrequent emails on news coming up regarding J Mercer books and appearances.
In no circumstance will your information be shared with anyone else, for any reason or any cost. No third parties will end up with your email, etc. This information is for use of the J Mercer mailing list alone.