The Netflix monthly subscription model is a hit for movies and TV, and is spreading to music with paid versions of services like Pandora and Spotify. In 2014, it looks like the model could finally catch on for e-books. On Tuesday, a company called Epic launched a service that offers children a monthly library of over 2,000 children’s books on the iPad, including popular titles like Olivia, the Berenstain Bears and Mr. Popper’s Penguins. The books arrive instantly through streaming, and the service also provides features like personalized recommendations and off-line access. Epic’s launch comes weeks after Oyster, which my colleague Laura Owen last year crowned the Netflix of e-books, received a major investment to expand its $9.95 ebook service aimed at adults. It’s obviously too soon to say how Epic will fare but, as with any monthly subscription service, its fate will depend on how much content it can provide.