PW: "Barnes & Noble has introduced a Nook kids for iPad application. The app makes B&N’s digital catalog of children’s content—which includes 100 new interactive kids’ books–available on the e-reading device. To promote the new app, B&N is offering two free picture books: Richard Scarry’s Colors and Rudyard Kipling’s The Elephant’s Child, which will automatically appear in a customer’s digital library when they register. ... "