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Merchandise Details

All prices are for shipping to U. S. addresses.  For the cost of completing international orders, please contact the NGS office at

Additional Family Membership
Member Price$20.00
Non-Member Price$20.00
Merchandise Description

One family member living at the same address is eligible for this membership type.


Additional family membership begins the day of purchase and expires 365 days later. For example purchase the membership on 15 Dec 2012 and the expiration date will be 14 Dec 2013. Renewed memberships will be extended one year from the current expiration date.


You will be contacted within 48 hours if we are unable to locate the membership of the primary individual member. Please note that the additional family member is required to reside at the same address as the individual member.


A new Member Welcome e-mail message will be sent within 24-48 hours of purchase.


Please note that the NGS membership is for 12 months and is non-refundable.

Additional Information:
Name of Additional Family Member:e-Mail of Additional Family Member (Please enter a unique e-mail address different from primary individual member):Name of Individual Member:Membership Number of Primary Member: