See this comparison if you're not sure which database you want. Orders for current editions are shipped by US mail the day after your order is processed. Allow up to 5 business days for complete order processing. A United States mailing address is required. Please include your name, mailing address, phone number, and email address.
All shipments are prepaid.
MasterCard, Visa, and checks are accepted. Using obsolete data for postal discounts, or for access by multiple simultaneous users, is prohibited after the database expiration date. All shipments are prepaid. Go to the ZP4 home page.