Asimov On Numbers

Orders are generally shipped within 2 business days. Please specify method of delivery that you prefer. RETURN POLICY: Refund for books shipped back within seven days (in same condition as received). Refund applies to cost of books only. Unable to refund shipping charges. SHIPPING COSTS ARE BASED ON BOOKS WEIGHING 2.2 LB, OR 1KG. IF YOUR BOOK ORDER IS HEAVY OR OVER-SIZED, WE MAY CONTACT YOU TO LET YOU KNOW EXTRA SHIPPING IS REQUIRED. INSURANCE WILL BE ADDED FOR ORDERS OVER $50.00. Sales tax applies to orders sent to Washington state and to Idaho. UNITED STATES: Expedited shipping: if we can fit the book into a flat rate envelope, the cost is $7.75. Otherwise, the price will vary according to your zip code. OTHER COUNTRIES: We are happy to ship most anywhere. We do reserve the right to reject sales from countries known to have a high incidence of fraudulent credit card activity.