Copyright lawsuit threatened against Da Vinci Code author by Maud | April 1st, 2004 Lewis Perdue, author of The Da Vinci Legacy, charges that Dan Brown’s The Da Vinci Code rips off his book. Brown’s novel is the fastest-selling adult novel of all time. Perdue plans to sue. (Via Beatrice.) Share this:TwitterFacebookTumblrMoreRedditPinterestLinkedInGoogle Comments are closed.