Ordering and Customer Service Phones: 1-800-390-5353 or 530-493-5353 Fax: 530-493-5240: email: nature@sisqtel.net Office hours: M-F 8;30 to 4:00, Pacific Time

Shipping and Tax Personal orders sent priority mail, add $6.45 for the first 4 books and $13.45 for additional books. California residents add 7.25% tax. Orders for resale, shipping is added to the invoice.

Payment We accept check, money order, VISA or MASTERCARD. Foreign order payments by credit card only.

Discounts Bookstores and specialty shops, normal trade terms. Schools and libraries receive an institutional discount. Distributors need to establish an account first.