Some of you may have heard the recent flap over a cookbook written by Jessica Seinfeld, wife of Jerry. Her book bears striking similarity to a book published earlier this year by another author. Both cookbooks are about hiding veggies in children's food.
The article's author includes a great description of plagiarism and the differences between plagiarism and copyright infringement.
http://www.slate.com/id/2176563/fr/flyout