The New Geography of Jobs , Enrico Moretti, Houghton Mifflin Harcourt, 2012.

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Among publishers, Urdan thinks Pearson is the most likely bidder, with McGraw-Hill less likely, and Houghton Mifflin Harcourt least likely, since it is private-equity backed.

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Apple said it is partnering with several major textbook companies -- including Pearson, McGraw-Hill and Houghton Mifflin Harcourt, who will make e-books for the store, according to Fortune.

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In his new book, The New Geography of Jobs (Houghton Mifflin Harcourt, 2012), Moretti argues that every high-tech job in a metropolitan area in the U.S. translates into five local service jobs--lawyers, cabdrivers, hairdressers, yoga instructors.

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Kids will be able to watch videos, play games, use apps and read books from content partners including Andrews McMeel Publishing, Chronicle Books, DC Comics, Disney, HIT Entertainment, Houghton Mifflin Harcourt, Marvel, Nickelodeon, PBS, Rainbow and Sesame Workshop.

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