Apple has shared three promotional videos, hyping their new enhanced editions of of titles from the “A Song of Ice and Fire” series, the source material for HBO’s hit show “Game of Thrones.” The ebooks are iBooks Store exclusives.

Apple Posts 3 Promotional Videos for Their iBooks Exclusive 'A Song of Ice and Fire' Enhanced Editions

The promo videos, all of which can be viewed below, feature selected snippets of an interview with “A Song of Ice and Fire” author George R. R. Martin. The writer offers up info on the backstory of the epic, and even includes his narration of selected lines from “A Game of Thrones.” The videos also offer a look at watercolor illustrations of moments from the series.

The enhanced versions of the books are exclusive to iBooks, and include annotations, glossaries, family trees, interactive maps, and much more.

The first of the enhanced editions, “A Game of Thrones” became available in  the iBooks Store in September and is now available for $8.99. “A Clash of Kings” became available in November and “A Storm of Swords” hit the iBooks Store earlier this month. The latest editions are priced at $11.99.

A Feast for Crows” and “A Dance with Dragons” will hit the iBooks Store in February and March of next year, respectively.