The book, Troublemaker: Surviving Hollywood and Scientology, supposedly includes details of a pre-wedding dinner at Tom Cruise and Katie Holmes' house, during which, according to material quoted by the outlet, a young Suri Cruise was left to cry on a bathroom floor while nobody showed concern.
In another segment of pre-release book material, the Daily News describes a car journey Remini says she took to the airport after Cruise and Holmes' wedding, sharing the ride with Cruise's children Bella and Connor.
The actress claims she asked the children if they'd seen their mother, Nicole Kidman, recently, or planned to do so.
"Not if I have a choice,” Bella, then 13, reportedly snapped. “Our mom is a f—ing SP."
In church terminology, an SP is a Suppressed Person — someone who has turned away from the religion, and is then designated an enemy.
These latest claims come hot on the heels of Remini's exculsive sit down with ABC’s 20/20 on Friday, Oct. 30, in which she spoke at length about her 30 years as a practicing Scientologist, and revealed why she finally decided to leave.
The Church of Scientology released a response to Remini on its website, stating her claims about the Cruise-Holmes wedding are nonsense: "Every claim Ms. Remini has made is not only untrue, but ridiculous and stupid. She is just trying to latch onto a prominent celebrity for her own publicity. As a note, every guest but Ms. Remini respected the couple’s privacy by not speaking about it afterward. That in itself describes what kind of person Ms. Remini is: self-absorbed, rude and embarrassing, all traits she displayed as a guest of this event according to parishioners who attended."
Her memoir hits bookshelves on Tuesday, Nov. 3.