The book cover of the `Becoming.`
The memoir sold more than two million units in all formats and editions in the US and Canada during the first 15 days of its publication on November 13, 2018, the publisher Penguin Random House had said.
"Overall UK sales of Obama's book currently stand at more than 600,000, ranking it 11th on the list of bestselling memoirs and biographies since sales records began in 1998," The Guardian on Tuesday quoted Nielsen BookScan, a book sales tracking service, as saying.
"The title was the book giant's biggest success of last year," said Thomas Rabe, chief executive of the German media group Bertelsmann, parent company of the publisher.
Michelle Obama invites readers into her world.
"We believe that these memoirs could well become the most successful memoir ever," he added.
"'Becoming' has been a global sales juggernaut since being launched in 31 languages simultaneously in mid-November. The audiobook, read by the former First Lady, has become the fastest-ever seller put out by Penguin Random House," the publisher said.
In the book, Michelle Obama invites readers into her world, chronicling the experiences that have shaped her - from her childhood on Chicago's South Side to her years as an executive balancing the demands of motherhood and work, and to her time spent at the White House.
Wife of the 44th US President Barack Obama, who held the office from 2009 to 2017, Michelle Obama is a graduate from Princeton University and Harvard Law School.
Indo-Asian News Service
Author Herman Wouk, whose World War Two experiences provided the foundation of his bestseller "The Caine Mutiny" and two epic novels about the war, died on Friday at the age of 103, his literary agent said.
One of India's most-read authors, Ruskin Bond has said that he tries to strike a positive note when writing for children and feels a certain responsibility as an author.
A restoration centre to preserve the work of Ernest Hemingway opened in Cuba.
Italian music composer Ennio Morricone, who was also a renowned composer, orchestrator, conductor, and former trumpet player, died at the age of 91. He had mastered a wide range of musical styles.
Ryan Adams has apologised to the women, including his former wife Mandy Moore, who accused him of emotional abuse and sexual misconduct over a year ago.
There is a growing demand for a CBI inquiry into the death of Bollywood actor Sushant Singh Rajput, who allegedly committed suicide at his Mumbai residence on June 14.