Plot: Let’s Get Lit!: Daytime exclusive with former Playboy Playmate and widow of Hugh Hefner, CRYSTAL HEFNER, on her bombshell memoir, “Only Say Good Things. ” Then, author MICHELLE HORTON, on her memoir “Dear Sister,” a tale of two sisters — one trapped in the criminal justice system after killing her alleged abuser and the other left to raise her sister’s kids and fight to free her sibling