To mark the 25th anniversary of the Die Hard franchise, the novel that inspired the first Bruce Willis-starring film in 1988, Nothing Lasts Forever by Roderick Thorp, is back in print. According to The Hollywood Reporter, the book has been released in trade paperback and ebook format for the first time in 20 years.

The book, which itself was first released in 1979, was the major inspiration for the story of John McClane, Willis's character, in the first film. McClane was NYPD detective Joe Leland in the book, and Nothing Lasts Forever was actually a sequel in itself - the first book, released in 1966, was The Detective, and it was made into a film by the same name starring Frank Sinatra in 1968.

The ebook version of Nothing Lasts Forever will include some copies of Thorpe's original notes from when he was writing the book while living in a house in LA's Laurel Canyon, which overlooked a high-rise building that became the inspiration for the building that is taken over by terrorists in the book. 

The Die Hard franchise is, of course, still going strong itself after 25 years - the most recent fifth film, A Good Day to Die Hard, had the biggest opening of 2013 so far.

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[via The Hollywood Reporter]