The first edition of Charlie and the Chocolate Factory and the original hero Golden Egg from the film Willy Wonka and the Chocolate Factory on display at Profiles In History in Calabasas, northwest of downtown Los Angeles, on July 19, 2012. Frederic J. Brown/AFP/Getty Images hide caption

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Kwei Quartey sets one of the crime scenes in his second D.I. Dawson book in Agbogbloshie, an Accra slum. Ofeibea Quist-Arcton /NPR hide caption

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Singer Ian Curtis on stage in 1980 with Joy Division, whose song "Transmission" is among those explored in Greil Marcus' book The History of Rock 'N' Roll in Ten Songs. Rob Verhorst/Redferns hide caption

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Francisco Antolin, the driver and co-founder of Tell A Story, speaks to a couple of Danish tourists who purchased some books from his mobile bookstore. The converted van travels around Lisbon and sells translations of Portuguese literature. Laura Secorun Palet/Ozy.com hide caption

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Rapper Prodigy, shown above performing in New York City, published his debut novel, H.N.I.C., in 2013. Mike Lawrie/Getty Images hide caption

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