A book by the poet César Vallejo, manufactured by inmate-workers at the Lima penitentiary.
Creators: César Vallejo
Date of Creation: 1922
Place of origin: Lima
Physical measurements: 18.6 x 13 cm; 121 pages.
Materials: Paper and ink
Process by which it was made: Printed
Current location: Numerous copies across various libraries and private collections.

Information contributed by Carlos Aguirre.
