George R.R. Martin
Co-executive producer George R.R. Martin arrives for the season premiere of HBO's "Game of Thrones" in San Francisco, California March 23, 2015. Reuters/Robert Galbraith

Apple has announced the “Enhanced Edition” of George R.R. Martin’s popular book series “Game of Thrones.” The “A Game of Thrones: Enhanced Edition” comes exclusively to iBooks as part of celebrating the 20th anniversary of the author’s best-selling book.

The “Enhanced Edition” is set to provide the most amazing experience to iBook readers. It will take the series to a whole new level in incredibly immersive ways thereby enriching the reader’s experience.

For now the Book One of “A Song of Ice and Fire” has been made available. Books Two to Five will be released in the coming months, reports Apple in a press release.

The interactive antics of the “A Game of Thrones: Enhanced Edition” includes helpful tools, house summaries, glossaries, annotations and character maps among others. Users of the e-book simply need to tap on names of characters for the details and information to pop-up. The annotations will help in further elaborating the historical details.

A tap on the appendix will open up the 92 House sigils with information on their symbolism, alliances, region and house seat. Buyers of the “A Game of Thrones: Enhanced Edition” will be the lucky ones to have a preview of the Book Six of “Game of Thrones,” “The Winds of Winter,” writes iTech Post.

“We’re now entering a new period in the history of publishing. The digital book gives readers the ability to experience all this rich secondary material that had not been possible before ... It’s an amazing next step in the world of books,” Martin said in the press release.

“A Game of Thrones: Enhanced Edition” is available for US$8.99 (AU$11.84) exclusively on iBooks. The “ Enhanced Editions” of Books Two to Five of “A Song of Ice and Fire” are also available for pre-order for US$11.99 (AU$15.79).

Click here to watch the A Game of Thrones - iBooks Exclusive Enhanced Edition video.