Gunnerkrigg Court Volume Five: Refine (Otherwise known as Gunnerkrigg Court: Refine), is the fifth published graphic novel of the Gunnerkrigg Court webcomic written by Thomas Siddell. The book is set distributed by Archaia Entertainment on August 15, 2015 and Boom Studios on 19 August, 2015. It comprises chapter forty-two to forty-nine, and concerns the second half of Antimony's third year at the school.