Due to a problem with our web-store provider 2 year memberships cannot be currently purchased online. You can choose a one-year membership with a quantity of 2 and let us know your complimentary book choice by sending an email to hanoverhistory@hotmail.com or you can mail a check with your book choice to HCHS, PO Box 91, Hanover, VA 23069. Sorry for the inconvenience and we hope to have this fixed soon.