classroom set of texts.^^^No. Library book is a type of Book. A Book is a type of Reading Material.nooo the answer is simple potato
it's an analogy, poorly constructed. Library is to book as classroom set is to textbook, is a correct analogy.
word, probably
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Not always the case. There can be pictures on walls and not all books have pictures in them. So I would not say that is a good comparison. Also there are other things than books in libraries...