Digital Book Index provides access to more than 73,000 titles records. It is the sole index that gathers both commercial and non-commercial eBooks from more than 1800 publishers and private publishing organizations. Titles range from the Ancient Agriculture to Space Flight— in most major disciplines—Literature, History, Science and the History of Science, Social Science, Medicine, the Arts, Religion, and various Area Studies (Native Americans, Afro-Americans, Women's Studies), etc. An extensive Reference section includes more than 2000 Dictionaries, Encyclopedias, Thesauri, Glossaries, Bibliographies, Timelines, Chronologies, Literary Histories, and includes, as well, a section on Writing & Style Guides that would be hard to surpass anywhere.
