Given the question: Information: - The term "manga" (kanji: ; hiragana: ; katakana: or ) in Japan is a word used to refer to both comics and cartooning. "Manga" as a term used outside Japan refers to comics originally published in Japan. - A is the Japanese term for a book that is complete in itself and is not part of a series or corpus. In modern Japan, though, it is most often used in reference to individual volumes of a single manga, as opposed to , which feature multiple series. Tankbon are not just confined to manga, and can be used for almost anything in a hardcover or softcover format from novels to books about beauty tips. - The manga series , Hajime no Ippo ( , lit. '' The First Step '' ) is written and illustrated by George Morikawa and serialized in Kodansha 's Weekly Shnen Magazine . The first volume was released on February 17 , 1990 and is currently ongoing ; numbering over 1000 chapters making it the 11th longest manga series . The manga was adapted into two anime featured films in 2003 and a TV anime series in 2009 which concluded in the same year . The manga currently has more than 100 tankbon volumes published in Japan by Kodansha . The first manga volume released on February 17 , 1990 and the 100th on July 17 , 2012 . Given the information above, choose from the list below the object entity that exhibits the relation 'is a list of' with the subject 'list of hajime no ippo manga volumes'. Choices: - book - manga - term - word
The answer is:
book