- is the oldest and best preserved book of the Maya
- consists of 39 leaves written on both sides and originally folded as a leporello made of fig tree bark, exhibited in 2 parts with a total length of 3.56 m between glass in the treasure room of the SLUB
- contains various almanacs, divination calendars, astronomical tables, ritual regulations and numerous representations of gods
- is a key document for the decipherment of Maya hieroglyphs and for the study of astronomy and chronology of the Maya
- has been acquired in 1739 by the first librarian Johann Christian Goetze in Vienna and has been identified as a Maya manuscript only in the 19. century
- has been reproduced in facsimile several times and is subject of numerous publications