M. Begelman and M. Rees, Gravity's Fatal Attraction, 2nd ed.(Cambridge University Press, 2010).

J. Binney, Astrophysics: A Very Short Introduction (Oxford University Press, 2015).

J. B. Hartle, Gravity (Addison Wesley, 2003).

A. King, Stars: A Very Short Introduction (Oxford University Press,2012).

A. Liddle, An Introduction toModern Cosmology, 3rd edn.(Wiley-Blackwell, 2015).

F. Melia, The Galactic Supermassive Black Hole (Princeton University Press, 2007).

D. Raine and E. Thomas, Black Holes: An Introduction, 2nd edn.(Imperial College Press, 2010).

C. Scarf, Gravity's Engines: How Bubble-Blowing Black Holes Rule Galaxies, Stars, and Life in the Cosmos (Scientific American/Farrar, Straus and Giroux; Reprint edition, 2013).

R. Stannard, Relativity: A Very Short Introduction (Oxford University Press, 2008).

A. Steane, The Wonderful World of Relativity: A Precise Guide for the General Reader (Oxford University Press, 2011).

K. Thorne, Black Holes and TimeWarps (W.W. Norton, 1994).