Octavos pl. : of Octavo

Example:
How do you say "Octavos de final" in english???

Taxonomy
Octavo Editions, preservation, rare books, Digital Rare Books, facsimile, advanced technology, seminal ideas, inspiration, discovery, audiences, monuments, science and culture, personal computer, CD-ROM, Adobe PDF, zoom, rare materials, manuscripts.

Defination from the web:
Octavo digitizes and preserves rare books and manuscripts