Quality's basically what you get at secondhand book shops, so don't be fussy. If you don't like old books, go to a Kinokuniya. $3 each: Wintergirls - Laurie Halse Anderson Shadowspell - Jenna Black The Au Pairs Sun-kissed Skinny-dipping - Melissa De la Cruz Get all five for $12, three Au Pairs books for $6. $4 each: If I Stay I Was Here - Gayle Forman Get both for $6. $6: Me and Earl and the Dying Girl - Jesse Andrews
Postage depends on the weight.