'The Little Book of Plagiarism' by Richard A. Posner: Theft or imitation? A respected judge considers the possibilities.

“The Little Book of Plagiarism” is inspired by several recent literary scandals, starting with the Kaavya Viswanathan affair. At 17, Viswanathan was paid a $500,000 advance for a deal that included a “chick-lit novel,” but when that novel was published, attentive readers noticed that she had copied at least 13 passages from a novel by Megan McCafferty. Posner’s eye also falls on Doris Kearns Goodwin, Laurence Tribe, Alan Dershowitz and…