Outgoing Vice President Kamala Harris decisively lost her bid for the presidency to President-elect Donald Trump, but she may be on the verge of scoring a major win in a different way.

Harris is reportedly set to receive a "massive" book deal for a significant sum of money once she leaves office, according to the Washington Examiner.

The size of the advance she'll get for that book -- which could lay the groundwork for future runs for office, such as California governor in 2026 or for president again in 2028 -- will likely depend on what topic she decides to write about and how honest and forthcoming she is with the details.

What sort of book would Harris write?

NBC News reported this week that multiple sources close to VP Harris have confirmed that she is leaning toward publishing another book after her term in office concludes next week, likely ahead of another run for elected office.

Keith Urbahn, the president and co-founder of Javelin, a literary agency, told the outlet, "Kamala Harris is poised to land the biggest book deal of any vice president in history," and noted, "But the real question isn’t the advance -- it’s whether the book can redefine her for 2028."

He suggested it was a chance for Harris to "get personal" about the failures of her campaign and the Democratic Party as well as for her to expand her base of support with an honest recounting of what happened.

"There’s a version of this book that is full of platitudes but safe, and then there’s a version that reinvents her to lead a Democratic Party in need of rebuilding," Urbahn added. "She gets a payday either way, but only the latter gets her a second shot at the presidency."

Could get a $20 million advance for an honest tell-all

Talk of VP Harris scoring a major book deal after she leaves office isn't new, as the Daily Mail reported in mid-December about speculation that Harris could receive an advance of up to $20 million for a book deal, albeit with certain conditions from top publishers.

One of those conditions is that the book be an honest tell-all about her four years in the White House with President Joe Biden and her brief campaign for the presidency after he ended his own failing re-election bid over the summer.

"Virtually the moment Kamala lost to Trump, the offers began pouring in from the publishing world for her to do the definitive book on what really went on between Joe and Kamala -- what went right and what went wrong -- inside the Oval Office walls, and all the ups and downs of her campaign," an anonymous source told the outlet. "They are throwing around advance numbers in the $20 million range, maybe more with other publishing rights."

An unnamed White House operative told the Daily Mail that Harris is being quietly advised to "get the jump on any memoir Joe Biden might be planning so she can get her side out in the public first of what really went on."

Kamala needs to "tell the whole truth and nothing but the truth"

An unnamed top literary agent in Washington D.C. told the Daily Mail that VP Harris will only secure a major publishing deal for a new book if she agrees to "tell the whole truth and nothing but the truth" about everything that has occurred behind closed doors in the White House over the past four years.

That includes being bluntly honest about the "true nature of her relationship with Biden," whether she was involved in his ending his campaign, the controversial Afghanistan withdrawal, the unprecedented pardon of Hunter Biden, her failures as the "border czar," why she chose Minnesota Gov. Tim Walz as her running mate, how her campaign blew through more than $1.5 billion in a matter of months, and who the "real puppet masters" are behind the scenes, among other things.

"She has to come clean about those issues and much more, in order to make a tell-all credible and believable to the publisher, the editor, and the American reading public who would be convinced to buy her book," the agent added. "They'll all expect the truth!"