Black holes in 'Physics' not Astrophysics

Books

• A Relativists toolkit : The Mathematics of Black Hole mechanics
  

Freely available online sources

Lecture notes - Generally complement well in parallel to a formal course

• Black holes : Townsend’s lecture notes for Part III at Cambridge
  
• Black holes : Harvey Reall’s lecture notes for Part III at Cambridge
  
• Black holes : Fay Dowker’s lecture notes
• Introduction to Theory of Black holes - t’Hooft:
• Black holes I : TU Wein
• Black holes II : TU Wein