I'm unable to find any information about what this curious little publication is all about! Berrera started Polvoh Press in 2014 and they are "...a multi-graphic publishing project that brings together printed publications in the following techniques: screen printing, lithography, offset, risography, movable type and digital printing. All editions are limited, independent and made in Oaxaca. Our goal is to publicize our personal work and local artists."
Just for the record here's a description of the spleen and what it does: The spleen plays multiple supporting roles in the body. It acts as a filter for blood as part of the immune systems. Old red blood cells are recycled in the spleen, and platelets and white bloods cells are stored there. The spleen also helps fight certain kinds of bacteria that cause pneumonia and meningitis.
8 double-sided pages, individual pages 6.25" x 6.25", and when opened up 4' 2".
reverse with gold ink