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From Jon Snow's resurrection to the Purple Wedding – we count down the 25 greatest 'Game of Thrones' moments in honor of George R.R. Martins' novels coming to iBooks.

When novelist-turned-screenwriter George R.R. Martin returned to the printed page to publish A Game of Thrones 20 years ago, he had a mission: write an epic fantasy too spectacular to be filmed. In a sense, he was successful. Game of Thrones, David Benioff and D.B. Weiss' blockbuster adaptation of the Song of Ice and Fire series that the show's namesake novel kicked off, was too spectacular to be filmed – until the risk-taking, boundary-pushing New Golden Age of TV Drama made it possible. The result is, in every sense of the word, one of the biggest shows on television.

Now there's a version of the source material that's even bigger. Enhanced Editions of all five Ice and Fire novels to date – A Game of Thrones, A Clash of Kings, A Storm of Swords, A Feast for Crows, and A Dance With Dragonsare coming to Apple's iBooks Store, featuring interactive maps, family trees, annotations and more. To honor this maester-worthy event, we're counting down the 25 greatest moments in GoT history. From kisses to killings, baths to beheadings, shock endings to weddings of every color – these are the scenes and sequences that make Westeros the home of great storytelling.