This book deals with Web Based Library Services, Library Automation, Hardware and Software Management, Software Packages /Open Source Software, Access to Database, E-Bibliographic and Cataloguing Services, E-Mail Service, Opac/Web Opac, and E-Current Awareness Services (CAS). This book also shows the comparison between different libraries, and information science professionals, today networks makes the whole world as a global village. Networks also have the capability to integrate all the libraries of the world to a single global library world with the development of world resource sharing network.