On the Otherside Series by Denise Grover Swank

Sixteen year old Julia Phillips buries herself in guilt after killing her best friend Monica in a car accident. Julia awoke in the hospital with a broken leg, a new talent for drawing and false memories of the accident, in which she dies and Monica lives. The doctors attribute this to her head injury, but no one can explain how a bracelet engraved with her name ended up at the scene of the accident. A bracelet no one has ever seen before... moreSixteen year old Julia Phillips buries herself in guilt after killing her best friend Monica in a car accident. Julia awoke in the hospital with a broken leg, a new talent for drawing and false memories of the accident, in which she dies and Monica lives. The doctors attribute this to her head injury, but no one can explain how a bracelet engraved with her name ended up at the scene of the accident. A bracelet no one has ever seen before. Classmate Evan Whittaker paid Julia no attention before the accident, let alone after. Now suddenly he's volunteering to tutor her and offering to drive her home. She can't ignore that his new obsession started after his two-day disappearance last week and that he wears a pendant she's been drawing for months. When the police show up one night looking for Evan, he begs Julia to run with him, convincing her that Monica is still alive. Julia agrees to go, never guessing where he's really from. less

Julia Phillips’ world is an alternate universe away. Trapped in a land where government leaders want her dead, Julia is forced to run for her life with Evan and Reece, the two boys who brought her here. They’re on their own in a hostile landscape ruled by scavengers and thieves. But Evan is battling a deadly infection, and Julia finds herself racing against time as she tries to find the medicine that will save his life... moreJulia Phillips’ world is an alternate universe away. Trapped in a land where government leaders want her dead, Julia is forced to run for her life with Evan and Reece, the two boys who brought her here. They’re on their own in a hostile landscape ruled by scavengers and thieves. But Evan is battling a deadly infection, and Julia finds herself racing against time as she tries to find the medicine that will save his life. She and Reece find an unlikely ally—Jo, a girl they free after finding her captured in a bandits’ hideout. As the four travel across the country, Julia has something else to worry about—her memories are slowly being replaced by the Julia of Evan and Reece’s world. Will they find a way to send Julia home before it’s too late? Or will Julia’s body and mind be trapped THERE? less