107 Days

107 Days is a political memoir by Kamala Harris, the 49th vice president of the United States, in collaboration with author Geraldine Brooks. The book details Harris's 2024 presidential campaign spanning from Joe Biden's withdrawal from the election on July 21, 2024, to Election Day on November 5, with the title referencing the length of her campaign. It was released by Simon & Schuster on September 23, 2025, in hardcover, ebook and a ten-hour audiobook edition read by Harris.

The book sold 350,000 copies in the United States in its first week, and had an initial printing of 500,000 copies. CEO of Simon & Schuster Jonathan Karp said the book was one of the best-selling memoirs in the 2020s. The book was on The New York Times' Hardcover Nonfictionbest-seller list for 15 consecutive weeks.