Dear Diary,

Oh, I mean...Dear Nimra,

Making a diary is like creating your own top-secret book. So, I headed straight for a Washington State University library where there are more than a million books.

My friend Linnea Nelson was working with some of the books from the special collections when I went to visit her in the lab. She is a conservator, so part of her job is to repair and re-build old books. It preserves their history.

Some of the books had an old smell that wafted up into my little nose. The smell comes from different chemical compounds that escape into the air, including one similar to vanilla. The compounds are in the ink, paper, and other materials used to keep the pages together. And one way to keep the pages together is to bind them with thread. 

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