Parallelogram (Book 3: Seize the Parallel)

I NEVER USED TO THINK OF MY LIFE AS DANGEROUS. Halli was used to it--she'd been raised for it. BUT ME? As Audie continues her struggle to return to the right universe and the right body, meanwhile Halli Markham, her adventurous parallel self, must take over the simple, quiet life Audie left behind. Halli has survived the Arctic, the Amazon, and dangers all over the world-- But can she handle high school?