This category summarizes all publications that have been published as seperate books besides the main series' volumes.
“Gantz/Manual is a databook supplement to the Gantz manga and Gantz anime. It was published in...Gantz Manual
“GANTZ/OSAKA is a publication featuring the Osaka Gantz team. It has not yet by licensed for any...GANTZ OSAKA
“Gantz no Moto is a publication by Hiroya Oku showing his story on how he was influenced by...Gantz no Moto
“There is now a Gantz/Nishi showing the life of Nishi. The first issue shows some girls talking...Gantz Nishi
This category has the following 2 subcategories, out of 2 total.