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We cannot go to the psst to know or ask anything to the people who lived in that period of is the books which are excavated through which we can know about the past and the people living in the past.we get to know about their achivements and failures.we also get to know about the culturea and traditions of the past .we even get to know that when a peeson acquired the throne and till when did the king or queen as a fact books are important literary sources.
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