The literary device used in these lines is Personification.
The personification is a figure of speech in which a thing is given human attributes. The non-human objects are portrayed in such a way that we feel they have the capacity to act like human beings. This device makes the piece more interesting to read and makes it more sensitive to the reader.
The answer is magazines because I'm pretty sure that it means something that is printed.
The author tell the reader about a character by revealing any specific traits in a straightforward manner.
Books represent humans because there is a load of possibilities, anything can happen, and life is always something new.
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