Books give you in-depth information on a topic, and are good sources for information that happened in the past or interpretive information for an on-going event or problem.
Mathematics by Jan Gullberg; Peter Hilton (Foreword by)An illustrated exploration of mathematics and its history, beginning with a study of numbers and their symbols, and continuing with a broad survey that includes consideration of algebra, geometry, hyperbolic functions, fractals, and many other mathematical functions.
Naturalism in Mathematics by Penelope MaddyOur much-valued mathematical knowledge rests on two supports: the logic of proof and the axioms from which those proofs begin. Naturalism in Mathematics investigates the status of the latter, the fundamental assumptions of mathematics. These were once held to be self-evident, but progress in work on the foundations of mathematics, especially in set theory, has rendered that comforting notion obsolete.
Publication Date: 1998-02-26
That's maths by Peter LynchAn eclectic and humorous collection of 100 articles on the strange and unexpected ways mathematics shapes the world around us.