Emma Watson "is secretly leaving books with special notes on the London tube," Buzzfeed reported.
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Headline of the day: "Giant Flip Books Are Hiding in the Woods of New Hampshire."
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For map geeks: A more accurate world map designed by Hajime Narukawa "just won the grand prize from Japan's Good Design Award," Mental Floss noted.
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"Geeky shoes: literary edition" were modeled by Quirk Books.
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Nikhil Gala's Beamshelf "bends on one side when a book is placed on that side," Bookshelf wrote.