What's everyone's favorite book by sarah dessen & how come?!?

so i'm completely & totally IN LOVE with sarah dessen's books! i haven't read all of them so that's why i want to know what everyone else has liked! so far, my favorite is by faaaarrrr, The Truth About Forever! seriously, i LOVE LOVE LOVE LOVE LOVE Wes! how can you not?! soo yeaaaah, let me know what you think!