Integrated directly into the "Data" tab for cleaning and transforming messy data.

While I cannot provide direct pirated download links, you can find official and high-quality educational resources here:

Since you are looking for "kniga" (book) downloads, here are the most authoritative guides that cover the features used during that era:

If you are transitioning to these versions, these were the "cutting edge" tools at the time:

by John Walkenbach: Often called the "gold standard" for learning every function, formula, and chart type.

Offers a vast library of Excel Books with a subscription.