Within the US, Media Mail shipping is $2.50 per order. 
Books going abroad to countries covered by Global Priority Mail (and which 
fit in the 9 x 12 inch Flat Rate envelope) can be shipped for $9.00 each.
Shipment is within 24 hours of receipt of payment, which is most quickly made 
via Paypal (reachable by clicking their logo under the item's price). If you 
would prefer to send a check or money order, email me and I can hold your 
item(s) until your payment gets here.