OttoBib.com is a website with a free tool to generate an alphabetized bibliography of books from a list of International Standard Book Numbers (ISBN) with output in MLA, APA, Chicago/Turabian, BibTeX and Wikipedia {{cite book}} format. Each query also generates a "temporary" permalink (self-destructs in about one month) which can be used to recall the bibliography without reentering the ISBN data. The site is a metasearch engine, integrating data from several sources, including the U.S.