'Anatomy of a Cave' (Kramers Ergot #5).
Dan Zettwoch is an artist from St. Louis. He is best known for the self-published civil war comic 'Ironclad' and the ongoing series 'Redbird', published by Buenaventura Press. In addition to handmade booklets, his comics have appeared in Kramer's Ergot, Drawn & Quarterly Showcase, Bogus Dead and the Riverfront Times. He ran the online mini comics store usscatastrophe.com. He earns a living making illustrations, diagrams and maps.
'Redbird'.