Don't Turn Around - Michelle Gagnon - Bog

Sixteen-year-old Noa has been a victim of system ever since her parents died. Now living off the grid and trusting no one, she uses her computer hacking skills to stay safely anonymous. But when she wakes up on a table in an empty warehouse with an IV in her arm and no memory of how she got there, Noa starts to wish she had someone on her side.