Treebeard Books via eBay offers George R. R. Martin's "A Song of Ice and Fire: Books 1 to 4" Paperback Boxed Set
with free shipping
. That's tied with our July mention and the lowest total price we could find today by a buck. (It is known.) It includes "A Game of Thrones", "A Clash of Kings", "A Storm of Swords", and "A Feast for Crows".