The book entitled "Efficient Information Retrieval Using Soft Computing Techniques" explores the use of Soft Computing technique for designing efficient retrieval system. In past few decades, information collection and storage efforts have become easier but efforts required to retrieve relevant information have become significantly cumbersome, especially in textual databases. Thus designing an efficient Information retrieval system is challenging task and an important area of research. Only users with extensive subject area knowledge and systems knowledge are capable to manoeuvre and explore...