Undine Series by Penni Russon, Melissa Eccleston

Undine gets along well with her unconventional mother, she adores her baby brother, and she has a devoted kindred spirit in her best friend and next-door neighbor, Trout. It's inconvenient that Trout has a sloppy crush on her, but Undine tries to overlook this. Undine is basically satisfied . . . until strange things begin happening to her.It starts with an odd feeling, a shadow in the mirror, a whisper only Undine can hear: It's time to come home. And it builds... moreUndine gets along well with her unconventional mother, she adores her baby brother, and she has a devoted kindred spirit in her best friend and next-door neighbor, Trout. It's inconvenient that Trout has a sloppy crush on her, but Undine tries to overlook this. Undine is basically satisfied . . . until strange things begin happening to her.It starts with an odd feeling, a shadow in the mirror, a whisper only Undine can hear: It's time to come home. And it builds. One hot day, when Undine imagines knitting together a few scattered clouds, she creates a massive thunderstorm.Who is Undine? Where does her power come from? What is she meant to do? Undine needs answers to these questions, so she sets off in search of a father she'd always believed was dead and a self she's only beginning to discover. But Undine's magic is powerful, wild, and dangerous -- and her feelings as she uncovers the truth are even fiercer. Will Undine find herself or lose herself . . . and everyone she loves? less

Six months have passed since Undine discovered the powerful magic within her and very nearly threw the entire world into chaos. Life has gone back to normal—almost. The magic still swirls relentlessly below her surface, demanding that she break her promise not to use it.And then there's Trout. Trout, with his messy, unrequited love for Undine. Trout, who can't sleep and who roams the streets at night instead... moreSix months have passed since Undine discovered the powerful magic within her and very nearly threw the entire world into chaos. Life has gone back to normal—almost. The magic still swirls relentlessly below her surface, demanding that she break her promise not to use it.And then there's Trout. Trout, with his messy, unrequited love for Undine. Trout, who can't sleep and who roams the streets at night instead. Trout, so desperate to learn about Undine's magic that he's willing to trust a mysterious young woman who knows an awful lot about him, about Undine, and about chaos theory.As their lives continue to both unravel and coalesce, Undine and Trout feel drawn back to the Bay, where it all began.Is Undine stronger than the magic she contains? Is she more girl than magic, or more magic than girl? less

Undine thinks she could be happy living in a world where Stephen is still alive. Back in the real world, Trout could be happy too—as long as he doesn’t think about Undine’s disappearance, or why her shadow appears in his photographs. Phoenix is now in town, a drifter, passing through with his conjuring tricks. But they can’t keep drifting forever, and one hot summer night their worlds collide.