The marketplace is set to open in the US, the US will soon open its ebook store, and Barnes & Noble has announced it is going to expand its ebooks in Europe, according to a report from The Verge.

Barnes & Noble also announced its plans to expand ebooks across Europe, and the company said that it expects the number of books it sells to double in the next two years. 

“We see ebooks as a natural extension of our existing digital distribution business,” a spokesperson for the company told The Verge, adding that Amazon’s decision to launch in the U.S. marks “the culmination of a long-term strategic vision that has led to the launch of Kindle books.”

Barnes’ statement comes as Amazon’s ebook offerings are rapidly evolving to meet the changing needs of consumers.

The company is currently in the process of rolling out Kindle Paperwhite in the United States, while it will launch a Kindle ebook version of the popular iOS game FarmVille in Europe later this year.

Barners & Noble’s announcement comes on the heels of other announcements that have put the ebooks marketplace on the map.

The publisher said that its ebook catalog will grow by 200 million copies per year from the current 3 million to 5 million by 2021. 

The company also said that the number and diversity of authors it has sold in its books will grow from 3 million in 2017 to 50 million by 2020. 

It also noted that its eBook catalog will be more diverse than ever, with more authors publishing in more genres and genres of authors publishing more authors, and that it will continue to expand the number, diversity and breadth of its books, both print and ebook. 

According to the company, the average reader spends more than 40 hours a week reading digital books, which is more than triple the amount spent reading print books.

Amazon said that more than 100 million ebooks were sold on its marketplace in the first six months of the year, more than double the number it reported in the same period in 2017. 

Amazon’s digital ebook business, which currently sells about 500 million eBooks, will be worth an estimated $7.7 billion in 2021, according the company.