Statistics on Open Access Books Available through the Directory of Open Access Books

« Open Access (OA) books available through the Directory of Open Access Books (DOAB) are investigated and the number of titles, the distribution of subjects, languages, publishers, publication years, licensing patterns, etc., are clarified. Their chronological changes are also shown. The sample comprised 10,866 OA books, which were available through the DOAB as of February 24, 2018. The results show that OA books are increasing in number at an accelerating rate. As for distribution of subjects, Social Sciences (« H » in the Library of Congress Classification [LCC] codes), Science (« Q » in LCC) and World History and History of Europe, Asia, Africa, Australia, New Zealand, etc. (« D » in LCC) are the most popular. As for languages, English, French, and German are the most popular. As for publishers, Frontiers Media SA, Presses universitaires de Rennes, and ANU Press are the most popular. (…) »