Britney Spears is overjoyed after her book biography sold 1.1 million copies in its first week.

Pre-orders, print books, digital, and audiobooks totaled over one million, according to a report published by Gallery Books.

Following the announcement, the singer extended her appreciation to her fans for the success of her new memoir, The Woman In Me.

Britney added in a press release shared with PEOPLE, “I poured my heart and soul into my memoir, and I am grateful to my fans and readers around the world for their unwavering support.”

The audiobook, which includes an introduction by Britney and is narrated by actress Michelle Williams, has “become the fastest-selling audio product in the publisher’s history,” according to Gallery Books.

There are already approximately 1.4 million hardback copies in circulation, and the publisher has announced plans for a fourth printing.

According to a press release, “The book has been published in 26 languages/territories and is a #1 bestseller with an estimated 2.4 million copies in print globally.”

“The Woman in Me has been the subject of intense interest since it was announced and has received outstanding critical acclaim since its publication,” Jennifer Bergstrom, senior vice president and publisher of Gallery Books, said.

Jennifer went on to say: “It is selling in extraordinary numbers across all editions worldwide, and we expect strong sales to continue throughout the holiday season and beyond.”

“Readers and reviewers have embraced Spears’s candid and powerful memoir in which she is finally able to share her story on her own terms,” according to the statement.