Don't you just hate those sites which don't disclose the shipping costs until you are on the final check-out screen? Me too.
Here are our postage and packaging charges for US orders:
1 Journal: $5.80 (USPS Media Mail) or $12 (USPS Priority Mail)
2 Journals: $6.80 (USPS Media Mail) or $15 (USPS Priority Mail)
3 Journals: FREE Tracked Shipping