It's almost a year since 16-year-old Becky Watts disappeared from her home in Bristol.
Last February the teenager went missing. After a two week police hunt, her body was eventually discovered in a Barton Hill shed.
Now her father, Darren Galsworthy, has released a book about her relationship with her killer.
The book written by the father of murdered Bristol schoolgirl Becky Watts has gone on sale today (10 March).
Darren Galsworthy's memoir will reveal what the relationship with her step-brother killer, Nathan Matthews, was really like.
The 16-year-old's dismembered body was discovered in a shed a year ago.