Corporate Finance Book Recommendations Can you share your recommendations for corporate finance if you have any?

A slightly more detailed version would be better:

For example, something like:

Advanced Undergrad: Varian's $\textit{Intermediate Microeconomics}$
Ph.D. 1st-year: MWG's $\textit{Microeconomic Theory}$

An example for corporate finance would be lke:

MBA-level:  ~
Corporate Finance Theory-specific:  ~
Ph.D. level: ~

Thanks!
frequent Corporate Finance textbooks are

MBA level - 


  Berk and de Marzo (2017) - Corporate Finance, 4th ed. (Stanford)


Advanced undergrad and corp theory-specific - 


  Grinblatt and Titman - Financial Markets &amp; Corporate Strategy


PhD 1st year level - 
strictly articles from Journal of Finance, Review of Financial studies, etc, that empirically look at mergers and acquisitions, corporate governance, debt-shareholder agency problems, etc. Seminars on the subject typically have participants play discussants of existing recent work.