(CNN) -- Cissy Houston has opened up about losing her daughter Whitney in a new memoir, but her granddaughter Bobbi Kristina doesn't appear to be happy about it.
On her Twitter account last week, the daughter of Whitney Houston and Bobby Brown expressed her displeasure about the book, which is called "Remembering Whitney."
Brown, 19, tweeted that she and her reported beau, Nick Gordon, "personally have NOTHING" to do with Cissy Houston's book.
"I ask youplsRESPECT [that]," she added. "Haven't read&won't ... I find it 2B Disrespect2MYMOTHER & me being HERDAUGHTER won't tolerate it."
As reported by USA Today, "Remembering Whitney" is a frank examination of Whitney Houston's life and death from Cissy's perspective.
On her relationship with Bobbi Kristina - or Krissi, as Cissy calls her - the 79-year-old told the paper that they don't get to spend a lot of time together.
"We hope and pray for Krissi," Cissy says. "She lives in Atlanta while I'm here in New Jersey, so I don't get to see her that often. And you know how 19-year-olds are - you call them on the phone, and they don't always pick up. It's difficult. But she knows how much I love her."