Former first lady Michelle ObamaMichelle LeVaughn Robinson ObamaObama: 'Hopeless' to try to sell as many books as Michelle Obama sold record-breaking 1.7 million copies of memoir in first week Media and Hollywood should stop their marching-to-Georgia talk MORE’s new book, “Becoming,” sold more than 1.4 million copies in its first week, making the book one of the year’s biggest debuts.

Crown Publishing told The Associated Press on Wednesday that the sales total includes all formats and editions in the U.S. and Canada since the memoir's Nov. 13 release.

The publisher reportedly printed 3 million hardcover copies for North America based on retailer demand.

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The rate at which Obama’s new book is being sold is reportedly surpassing the pace of previous memoirs by penned by former first ladies, including Hillary ClintonHillary Diane Rodham ClintonTrump says he'll leave White House if Biden declared winner of Electoral College Federal workers stuck it out with Trump — now, we're ready to get back to work Biden soars as leader of the free world MORE's 2003 book, "Living History,” which the AP notes sold roughly 600,000 copies in its first week.

Obama last week began a 10-city book tour in her hometown of Chicago.

A number of prominent figures, including Oprah Winfrey, Sarah Jessica Parker, Reese Witherspoon and Tracee Ellis Ross, are scheduled to join the former first lady on stage at locations along the tour.