"This is a very small book about a, potentially, very large subject.
People have been thinking about infinity for a very long time, and
there are various angles from which to look at it: religious,
philosophical, mathematical. In this book Stewart focusses on the
maths, dipping into those bits of philosophy and religion that are
relevant. With this tight focus, Stewart has turned what must have
seemed like a daunting project into an entertaining, illuminating, and
digestible read."
-- review by Marianne Freiberger
https://plus.maths.org/content/node/6795