Payment Details:
We accept all checks. Please make your payment to Sinonexus Publishing Company. Please allow three business days to clear your checks.

Please add 6.25% Massachusetts sales tax to all orders.
Shipping and handling and insurance:
Each order up to three books is US $16.00 via US Priority Mail, 3 days to reach its destination.
Combination S/H/I is calculated at actual rate.

Seller's Return Policy:
All sales are final. Each book is sealed with plastic wrap. However, should items be defective; the return of goods will be accepted within 7 days. Refund is given as follows: book value minus shipping/handling/insurance.