'All my life I've been told, 'Don't open your door to strangers', but would it really hurt to do that just once?' Jessa Carter discovers it can hurt more than she ever imagined in this eleventh book of the "CSC" series. As Jessa desperately seeks a means of escape from ruthless kidnappers, her friends race to locate and rescue her. Readers learn about forensic mathematics while strapped in for edge-of-your-seat adventure. After this book, the Crime Scene Club will never be the same again.