Looking for a fiction book about an alien abduction. Can't remember the title.?

I read this book a several ago. I think the title was Abduction, but I'm not sure. The book was about a teen girl and her guy friend. Another teen they know has somehow become involved with aliens who have come to earth. I remember the copy of the book I had had alien eyes on the front and was purplish in color. Any suggestions on title or author?