In her new memoir, "Melania," Melania Trump writes about her marriage to Donald Trump, where she was on January 6, and that infamous jacket.

Depending on how you define “memoir” — must it be a coherent narrative, or does a posthumous collection of diary entries suffice? — roughly a dozen first ladies of the United States have penned a total of more than 20 accounts of White House life ( Hillary Clinton, who simply will not be stopped, is responsible for four on her own).

Melania Trump’s autobiography “Melania” sits atop the Amazon bestseller list (currently ranked third among all books), but unlike other famous first ladies, she didn’t get a huge advance. One publishing insider told me,