If you want to learn about corporate finance and valuation, the best resource is Aswath Damodaran’s website.
Damodaran online classes are available online
Damodaran regular Stern classes 2022, links below, Corporate Finance MBA Spring 2022, Valuation (MBA) Spring 2022, Valuation (UnderGrads)
and he has written books on valuation and corporate finance that are very good
Applied Corporate Finance, 4th edition
Damodaran on Valuation: Security Analysis for Investment and Corporate Finance
And in this page you can find the list of all his books
Nowadays, if you want to learn you have all the tools and resources available online and free.