1 Book(s) Related to i want them all will they learn to share

Adalina lives with her very protective older brother Zarakai and his four best friends, they helped raise her after their parents died. Now she is eighteen and she doesn't know how to turn her feelings off. After being rejected by Austin, she turned to Jace who loves her more than he should considering the age gap. Now Austin is back in town and Jace doesn't like sharing. Adalina wants Jace and Austin. Maybe even Tyler and Spencer too. Will the four men learn to share her, or will she end up heartbroken?