TERMS OF SALE. For books bought from Research Ink only. Transactions that result from following the links to Amazon.com, Barnes & Noble, or other booksellers at the Advanced Book Exchange, are between you and them, not us. All Research Ink book listings subject to prior sale. Payment: in US dollars only, by check or money order, made out to "Research Ink" (or via credit card through the ABE website). Maryland residents add 5% sales tax. Shipping. Domestic shipping & handling: $4.00 for the first book, $1.50 for each additional volume; sent via USPS "media mail" (formerly known as "book rate") in a padded mailing envelope (estimated delivery time: 2-4 weeks). International shipping & handling: $6.00 for the first book, $2.00 for each additional volume; sent via USPS "economy" rate (formerly known as "surface mail") in a padded mailing envelope (estimated delivery time: 4-6 weeks). Return policy: Books can be returned for any reason if returned promptly. Postal mailing address: Research Ink, P. O. Box 11491, Takoma Park, MD 20913-1491, USA. E-mail: 112036.3454@compuserve.com