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Hillary Clinton's new book about the 2016 election is just one week away from release, and we've been been getting some interesting revelations.

In one leaked excerpt from the book - which is titled "What Happened?" - Clinton described then-candidate Donald Trump as a "creep" who made her skin crawl.

Now, it appears she also has some pretty strong views about her Democratic primary opponent Sen. Bernie Sanders (I-VT).

On Monday night, journalist Tom Watson tweeted a page of Clinton's book, in which she accused Sanders of "impugning" her character and causing "lasting damage" that hurt her in the general election against Trump.

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"Because we agreed on so much, Bernie couldn’t make an argument against me in this area on policy, so he had to resort to innuendo and impugning my character,” Clinton wrote. “When I finally challenged Bernie during a debate to name a single time I changed a position or a vote because of a financial contribution, he couldn’t come up with anything. Nonetheless, his attacks caused lasting damage, making it harder to unify progressives in the general election and paving the way for Trump’s ‘Crooked Hillary’ campaign."

She went on to say that Sanders didn't enter the presidential race to get a Democrat in the White House, but instead to disrupt the Democratic Party.

She said that Sanders - who calls himself a democratic socialist - is "fundamentally wrong" about the party.

"I am proud to be a Democrat and I wish Bernie were, too," the excerpt concludes.

Watch the "Fox & Friends" report above.

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