whereas black holes are notorious for not letting go of their contents, Blundell's book makes it as easy to extract information without ever making the subject simplistic. * Andy Sawyers, Astronomy Now * Black holes have to be amongst the most fascinating phenomena of astronomy/cosmology and as such make a perfect topic for a new addition to OUP's vast collection of pocket guides, the 'very short introduction' books. I read my copy on a couple of 45 minute train journeys - it's long enough to give a good grounding in the basics of black holes, without being heavy or over-technical. * Brain Clegg, Popular Science *