Humbert and his police force face off against Robert's militia in the Grass Kingdom.
The price of "Grass Kings #4" at Zeppelin Comics is USD $3.99.
The publisher of "Grass Kings #4" is Boom! Studios.
The genre of "Grass Kings #4" is Mystery.
"Grass Kings #4" falls under the category of Comics.
The artist of "Grass Kings #4" is Tyler Jenkins. The cover artist is Tyler Jenkins.
The writer of "Grass Kings #4" is Matt Kindt.