Mattel executives say they did not anticipate the runaway success of the goth-influenced Monster High brand when it debuted in 2010. Mattel hide caption

itoggle caption Mattel

Kids play with toy cars like the Cozy Coupe partly because they want to imitate their parents: turn a steering wheel, open a door, strap a Christmas tree to the roof. But toy cars aren't just fun and games; they can suggest future trends in the automobile industry. Frank Guido/Flickr hide caption

itoggle caption Frank Guido/Flickr

Paola Guanche debuted with Adele's "Turning Tables." Courtesy Telemundo hide caption

itoggle caption Courtesy Telemundo

At a San Jose, Calif. library, a young reader browses a shelf of books featuring a variety of main characters: ducks, hens, white kids, black kids. Libraries help drive demand for children's books with nonwhite characters, but book publishers say there aren't enough libraries to make those books best-sellers. San Jose Library/Flickr hide caption

itoggle caption San Jose Library/Flickr

When you need to illustrate a story about proliferating social-media platforms, it's good to know that an enterprising stock photographer has probably thought about it already. Anatoliy Babiy/iStockphoto.com hide caption

itoggle caption Anatoliy Babiy/iStockphoto.com

Sue Glader wrote Nowhere Hair after finding many children's books about cancer that were too depressing or scary. Courtesy Sue Glader hide caption

itoggle caption Courtesy Sue Glader

José-Luis Orozco is as much an educator as an entertainer: The singer and author is passionate about teaching children to be bilingual through music. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

The 1939 film The Wizard Of Oz was rated G. The 2013 film Oz the Great and Powerful was rated PG. The difference? Maybe a little violence and a womanizing leading man. AP/Walt Disney Pictures hide caption

itoggle caption AP/Walt Disney Pictures