JoJo6251: World of Hirohiko Araki (JOJO 6251 荒木飛呂彦の世界 JoJo 6251 Araki Hirohiko no Sekai) is an artbook written and illustrated by Hirohiko Araki and Lucky Land Communications. The art book includes pictures and information from JoJo's Bizarre Adventure from Phantom Blood to Diamond is Unbreakable.
The first part of the artbook contains mostly artist renditions of characters from the series and Araki's previous works. The book is 11.7 x 8.3 x 0.8 inches and features 98 pages in full, vibrant color.
The second half of the book is comprised of character profiles, the history of JoJo's Bizarre Adventure, a glossary of terms and concepts used in the series, an interview with Hirohiko Araki, a timeline, and a foldout poster.
- The drug Locacaca 6251, appearing in JoJolion, is named after this artbook.
- There is an error in the glossary of terms where in the entry for "Danse Macabre Hair", it says it appeared in Part 2 instead of Part 1 and that Joseph fought Bruford instead of Jonathan.