Book Store Required Texts for Certification SOT Treating Equipment Search for: Please Note NOTICE!!! Please expect a 4-6 week delivery time. We are sorry but we can offer no international Paypal orders. These must be made by Fax. Any inadvertent international Paypal orders placed will be refunded less $20 transaction fee. P.O. Box 1357 Sparta, NC 28675 Phone: 336-793-6524 Fax: 336-372-1541 Email: sotousa@skybest.com Shipping Charges $1.00 - $50.00 = $18.00 $50.01 - $100.00 = $22.00 $100.01 - $150.00 = $27.00 $150.01 - $200.00 = $32.00 Over $200 or more and orders including books ask for shipping charges