Quincy and Christian Combs are trying to shut down the man profiting off of Kim Porter’s alleged tell-all book.

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Christian, 26, and Quincy, 33, are doing their best to protect their mother following her death in 2018. Together, they sent a cease and desist letter to a man named Courtney Burgess and his attorney Ariel Mitchell in response to Kim Porter Tell It All, a book that was sold online under the pseudonym Jamal Millwood. The 60-page book is purportedly based on a collection of the late model’s diary entries, and following the cease and desist, it was removed from Amazon’s online store on Tuesday.

In the letter obtained by TMZ, the brothers say they became the rightful heirs and owners of Porter’s intellectual property rights following her death; therefore, her alleged diary entries belong to them.

Burgess did multiple interviews to promote the book, claiming it was an “original unedited” copy of her diary/memoir. He claims to have gotten a flash drive from people who were close to Porter, printing it without any edits to produce the book. Quincy and Christian are denying that, saying the whole flash drive tale is “patently false” and misleads the public. But, in the letter, they say that if it were true, the flash drive would belong to them.

“We were made aware of a dispute regarding this title and have notified the publisher,” a spokesperson for Amazon confirmed to USA TODAY in a statement on Thursday. “The book is not currently available for sale in our store.”

Quincy and Christian’s letter warned that Burgess has five days to shut down the online sale of the book, stop doing interviews, and turn over any of Kim’s possessions he claims to have before taking legal action. They’re also asking for an accounting of any money he’s already made off the book.