"…very readable… On more than one occasion, I found myself saying 'Oh, yes', as Lines brought together historical strands of a familiar derivation. Of course I knew how it was done and where it came from-after Lines had pointed it out."-Endeavour"This book sets new standards in the popularization of both mathematics and physics. … cross-referencing gives the book a satisfying unity."-Nature"…a very interesting popular science book…"-Australian and New Zealand Physicist"His aim has been to demonstrate the value of mathematics in science. The value is undoubted, but few have established it so clearly and with such fresh examples. A large audience of people with some acquaintance with either of those subjects could read this book with profit."-Mathematical Reviews"…a beautifully written and highly entertaining book."-Zentralblatt fur Mathematik