We'll Always Have Summer (Summer #3) by Jenny Han

Just when she thought she had all the answers...

Isabel has only loved two boys: Conrad and Jeremiah Fisher.

One broke her heart, the other made her happier than she thought she ever could be.

But each brother is keeping a secret, and this summer Isabel must choose between the Fisher boys, once and for all.

Which one will it be? 

Genres: Romance - Young Adult - Contemporary - Summer - Chick Lit - Friends to Lovers