The legal scholar Richard Posner points out in The Little Book Of Plagiarism that The Bard himself was a "formidable plagiarist."

In one celebrated scene in Anthony and Cleopatra, Shakespeare borrows heavily from Plutarch's Life of Mark Antony. That borrowing extends to modern literature and even the visual arts, Posner argues.

Unlike traditional publishing companies, self-publishing programs like Amazon's Kindle Select lack the keen eyes of publishers, leaving room for copyright violations — and plagiarism.

Sharazade is the pen name of a writer and editor who is a rising star on Amazon's erotica section.

"I do a lot of traveling, and most of my stories are travel-based in some way, either set in an exotic location or having to do with modes of transportation ... or airports, airplanes, buses," she tells weekends on All Things Considered host Guy Raz.