Success in research stands or falls with discovery. Discovery, after all, is the entry point to the library’s collections. With this in mind, EBSCO has focused much of its development efforts on EBSCO Discovery Service (EDS), which has become the discovery service of choice for thousands of libraries worldwide. So how does EDS support success in research? From its unique approach to relevance ranking, the inclusion of subject indexes, to an array of customization options, there is much that goes into EDS.