Written by a leading finance expert, this book offers simple explanations on how to calculate an interpret key investment ratios. This information is essential for the accurate assessment of a company's financial condition and the true value of its shares. This book is packed with many worked examples from actual company reports and readers will also find many online reference sources. This book features a supporting website at www.magicnumbersbook.com  Magic Numbers is essential reading for individual investors and non-financial executives.