Black holes are a constant source of fascination to many due to their mysterious
nature. In this Very Short Introduction, Katherine Blundell addresses a variety
of questions, including what a black hole actually is, how they are characteriz
ed and discovered, and what would happen if you came too close to one. She expla
ins how black holes form and grow - by stealing material that belongs to stars,
as well as how many there may be in the Universe.