We accept Paypal and cashier's checks and major credit cards. All sales are final.Items shipped by MEDIA MAIL can sometimes take up to 15 to 20 days!! To insure you receive your book in a timely fashion, you might consider PRIORITY MAIL at a slightly higher shipping cost!. The seller is not responsible for lost mail. To protect yourself from loss, the buyer might want to take advantage of the optional insurance that is offered. If you want the item shipped differently, please email seller.