By Eva McKend, CNN

(CNN) — Former Vice President Kamala Harris will release a book in September about her historic campaign for president.

“What the world saw on the campaign trail was only a part of the story,” Harris wrote in a social media post about the book’s release.

The book — called “107 Days” — will be published by Simon & Schuster on September 23. It will give a behind the scenes look at the shortest presidential campaign in modern history.

“I believe there is value in sharing what I saw, what I learned and what I know it will take to move forward. In writing this book, one truth kept coming back to me: sometimes the fight takes a while,” Harris said in a video announcement.

After her loss to President Donald Trump, Harris has remained huddled with close confidantes and advi

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