A few days ago

Can someone explain this?

Some books also may be read by deputy, and extracts made of them by others.

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A few days ago
old lady

Favorite Answer

It sounds as though they are saying some books may be read by someone else (someone you have deputized to do the reading for you) and these people can make extracts of the book (summarize the book and quote specific parts, descriptions, dialogue or whatever) and that you may make use of this information or these extracts.