Harry Potter And The Deathly Hallows under $30 delivered + cashback.
Play4me have Harry Potter And The Deathly Hallows on preorder for $29.50. We also have the choice between free shipping, or 10% off codes below, so it works out to be $29.50 - 4.5% ($1.32) cashback. That also includes insured delivery which usually costs an extra $7.50.
It's the hardcover version.