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 4:30, Pacific Time

Shipping and Tax Personal orders add $5.00 for the first 4 books and $8.50 for 5 or more additional books. California residents add .0725 tax Resale orders, 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.

Distributors Bookstores and trade outlets may prefer ordering through their distributor. Among our distributors and jobbers are:
Ingram Book Company • Treasure Chest • New Leaf • Gem Guides • Sunbelt • American West

Some school suppliers are:
Frey Scientific • Science Kit • Wards Natural History • Mystic Products