Michelle ObamaMichelle LeVaughn Robinson ObamaThe Hill's Morning Report - Presented by Tax March - US vaccine effort takes hit with Johnson & Johnson pause Biden, Obamas and celebrity guests announce coronavirus vaccination TV special Obamas describe meeting Prince Philip in statement mourning his death MORE’s memoir, “Becoming,” is the best-selling hardcover book of the year, according to her publisher.

Since the book was released on Nov. 13, it’s sold more than 2 million copies, Penguin Random House announced Friday.

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The hardcover edition of the former first lady’s memoir sold “more copies than any other book published in the United States in 2018,” the publisher said, citing stats from NDP BookScan data.

Obama, 54, is currently hitting the road as part of a 10-city book tour in stadium venues across the country. The promotional tour features Obama in conversation about her upbringing, life in the White House, and the current political climate, with a star-studded lineup of interviewers that’s included Oprah Winfrey, Reese Witherspoon and Sarah Jessica Parker.

Obama’s publisher had previously announced brisk sales for “Becoming,” saying last week that it was the fastest-selling book of the year at Barnes & Noble.