What is the title of this book? ?
it's a fantasy romance teen book about kids who get taken from their lives by doorways that are like shimmering glass to another place. they're dropped naked at first and they have to survive. the girl is the main character and she finds the boy in this world and finds out that in order to get out, they have to catch one of these shimmering doorways. and otherwise they disappear when they turn a certain age.
i'm dying here, been trying to figure this out for days