Here is her FB page:
https://www.facebook.com/AuthorKristinHannah?sk=info
Here is her website:
http://www.kristinhannah.com/content/index.php
she posts quite often on her FB page (not sure about twitter)
I have read almost all of them and loved them all!
Being an adoptive mom "the things we do for love" had me bawling!
and firefly lane was amazing (again cried) but I love getting that involved in a book that it makes me emotional =)