The best-selling author who turned a classic Jane Austen novel on its head by introducing zombies, and recast Abraham Lincoln as a vampire hunter in a popular 2010 novel, allegedly plagiarized his latest manuscript, a new lawsuit claims.

Seth Grahame-Smith’s most recent writing for Hachette Book Group “is not original to Smith, but instead is in large part an appropriation of a 120-year-old public-domain work,” the company claims in court papers.

Grahame-Smith made waves with 2009’s “Pride and Prejudice and Zombies” and 2010’s “Abraham Lincoln: Vampire Hunter,” both of which hit the New York Times best-seller list.

The book “is not comparable in style and quality to Smith’s wholly original best seller ‘Abraham Lincoln: Vampire Hunter,’ ” and “is on a subject that was never approved by Hachette in writing,” the company alleges.

The author could not be reached for comment.