Former US First Lady Michelle Obama is set to release her highly anticipated memoir, "Becoming" on November 13, the book's publisher has announced.

The publisher, Penguin Random House, said in a statement on Sunday that the book was "an unusually intimate reckoning from a woman of soul and substance who has steadily defied expectations -- and whose story inspires us to do the same", reports CNN.

Upon its release, Obama will embark on an international tour to promote the book, which will be printed in 24 languages and sell for $32.50 in the US, the company said.

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According to the statement, Obama's book "invites readers into her world, chronicling the experiences that have shaped her -- from her childhood on the South Side of Chicago to her years as an executive balancing the demands of motherhood and work, to her time spent at the world's most famous addresses".

In a Sunday tweet, Obama said writing the book was a "deeply personal experience".

The publisher said the book promises to be "warm, wise and revelatory".

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At the time of its release, the former First Lady plans to donate one million copies of the book in the Obama family's name to a Washington-based non-profit that is dedicated to "promoting equal access to education by providing new books, learning materials and other essentials to children in need in the US and Canada", CNN reported.

The memoir will be Obama's second book.

In 2012, she published "American Grown", a book that documents the White House kitchen garden and promotes healthy living.

Former President Barack Obama is also penning a memoir to be published by Penguin Random House, which is expected to come out this year.