By Rachel Hagan Reeva Steenkamp’s family are reportedly furious as killer Oscar Pistorius is allegedly planning to cash in on a £1million tell-all book. The South African double-amputee Olympic runner was released from prison on parole on Friday having served nearly nine years of a murder sentence for the 2013 killing of his girlfriend Reeva. The 37-year-old will have to live under strict conditions until his full sentence of 13 years and five months expires on December 5, 2029. It has been reported that the killer is already attracting interest from publishers, with fees of up to £1million fl…