Sophie mckenzie 3 books collection set (girl, sister, missing me)

Girl, Missing:
Lauren is adopted and eager to know more about her mysterious past. But when she discovers shy may have been snatched from her family as a baby, her whole life suddenly feels like a sham. Why will no one answer her questions? How can she find her biological parents? And could her adoptive parents really have been responsible for kidnapping her?

Sister, Missing:
It's two years after the events of Girl, Missing and life is not getting any easier for sixteen-year-old Lauren, as exam pressure and a recent family tragedy take their toll. Lauren's birth mother takes Lauren and her two sisters on holiday in the hope that some time together will help, but a few days into the holiday one of the sisters disappears, under circumstances very similar to those in which Lauren was taken years before.

Missing Me:
Six years have passed since the end of Sister, Missing and Madison is now a teenager. During a visit to older sister Lauren, she learns that their biological father was an anonymous sperm donor and sets out to track him down.