Rolling Stone reported Thursday that Courtney Love, widow of Nirvana frontman Kurt Kobain, has reportedly signed a deal to write a tell-all book about her life, including her marriage to Cobain, her controversial career as Hole frontwoman and actress, and her relationships with her daughter and various other celebrities.  The book, expected to be in stores in Fall 2012, will be published by William Morrow, a subsidiary of Harper Collins.