Hollow Fields is a steampunk-themed original English-language manga written and illustrated by Madeleine Rosca. Volume 1 was released by Seven Seas Entertainment in June 2007, with a second volume released on May 29, 2008, and a third released on January 6, 2009. Volume 4- Titled Hollow Fields and the Perfect Cog released on March 29, 2016. Source: Wikipedia (en)