Simple Truths cuts up to 62% off a selection of clearance books. Plus, take an extra 10% off via coupon code "DNMOVING". Prices start from $4.45 after coupon and shipping adds $6.98 or get free shipping on orders of $50 or more. Coupon expires June 9. A few best bets, after coupon:
Dan Green's Finish Strong Teen Athlete in Hardcover for $5.40 (low by $7)
John Mason's An Enemy Called Average in Hardcover for $7.20 ($9 of)
Mac Anderson & BJ Gallagher's The Road to Happiness in Hardcover for $7.20 (9 off)
Mac Anderson's Laughter is An Instant Vacation in Hardcover for $9 ($7 off)
see all eligible titles at Simple Truths
There's a less expensive way, and then there's the way that works for you. The two may not be the same.