"Do you know who anonymous is?"
"I don't want to say, but you'd be surprised"
'Anonymous' author identified as White House official and will be promptly removed, Joe diGenova says
https://www.washingtonexaminer.com/news/anonymous-author-identified-as-white-house-official-and-will-be-removed-promptly-joe-digenova-says
There were several explosive claims in the book, including one alleging that a group of White House aides put together a tally of Cabinet members who they believed would support the use of the 25th Amendment to remove Trump from office. Another section of the book talks about how a group of senior Trump administration officials considered a midnight self-massacre in which they would resign together.