BTS will be releasing their first book, "The Note 1" on March 5th, 2019 and it available in English, Japanese and Korean. You can even get a bundle with all three languages included. Price ranges from $14.00 to $20.00 depending upon the language you choose. For all three languages it is $52.00. You will be able to pre-order them through their website.
Since beginning of this year, there have been teasers and promotion of the new book through twitter account @smeraldo_books. This account was later annouced by BTS, whom describe the meaning of the name.
Smeraldo Books is named after the Smeraldo flower which means 'The Truth Untold' in the language of flowers. We will do our best to deliver the truth through the books made by Smeraldo Books.
Follow their account for further updates