Seeker's World Series by K.A. Riley

Vega Sloane's brother, Will, and best friend, Liv, have been taken, and it's up to her to bring them back to the safety of their own world. But what seems like a simple rescue mission quickly turns into something far more perilous than Vega could ever have imagined.Trapped in a place where nothing is quite as it seems, she can't help but wonder if she'll ever find her way back to the Academy, to the strange new friends she's met...and to the mysterious boy who has captured her heart... moreVega Sloane's brother, Will, and best friend, Liv, have been taken, and it's up to her to bring them back to the safety of their own world. But what seems like a simple rescue mission quickly turns into something far more perilous than Vega could ever have imagined.Trapped in a place where nothing is quite as it seems, she can't help but wonder if she'll ever find her way back to the Academy, to the strange new friends she's met...and to the mysterious boy who has captured her heart. In her first encounter with the Usurper Queen, Vega learns that she's not the only one with family secrets. But perhaps some secrets are best left unsaid.Seeker's Quest is the second book in the Seeker's World Series. less

With Vega Sloane's return to Fairhaven comes the beginning of her senior year at Plymouth High. Which, of course, means friends, parties, and drama. Tensions arise with her best friend, Liv, who isn't exactly excited by Vega's new circle of friends...not to mention that keeping a constant eye out for mortal enemies can seriously eat into a girl's social life... moreWith Vega Sloane's return to Fairhaven comes the beginning of her senior year at Plymouth High. Which, of course, means friends, parties, and drama. Tensions arise with her best friend, Liv, who isn't exactly excited by Vega's new circle of friends...not to mention that keeping a constant eye out for mortal enemies can seriously eat into a girl's social life.But a Seeker's work is never finished, and Vega has a crucial task ahead of her: find the Lyre of Adair before the Usurper Queen's minions do. less