Getting Real is the business, design, programming, and marketing philosophies of 37signals — a developer of web-based software used by over 1 million people and businesses in 70 countries.
FOUR books about real analysis:1,real analysis by richard F.Bass,2,RealAnalysis,3ed,byH.L.Royden,3,realanalysis by ouwehand of university of capetown,4,realanalysis by williamG.Faris.