Wind, Book One of the 360 Series

Seventeen year old Nicky Barrett is angry. Not only has she slept in for her Biology final, but her mom and brother have left without saying a word to her. As she tries to get to school before her test starts, she realizes that she is not where she's supposed to be. Somehow, through the night, she has fallen into a strange world; a world where people have been falling throughout time. Now, she must figure out who she can trust and how she's going to survive in this savage wasteland.