Unfortunately the Firefly corebook release has been pushed back to a Spring 2014 release.
From MWP:
Gaming in the ‘Verse: Gen Con 2013 Exclusive is a Firefly RPG convention special that will debut at the Margaret Weis Productions booth during Gen Con: Indianapolis from August 15 through the 18th.
This pre-order is for the digital, full-color version of the Gen Con Exclusive PDF and will be available to fans worldwide. Gaming in the ‘Verse will include preview material that will be expanded upon and published in the upcoming Firefly Role-Playing Game based on the popular Fox television series created by Joss Whedon.
* Over 260 pages of shiny, awesome fun!
* Character Creation includes all nine crewmembers, 12 pre-generated archetypes, and original character generation
* Ship Creation includes step-by-step information on how to build your boat. Sample ships are offered throughout.
* Episode Guide preview for “Serenity” and “The Train Job” comes with recap, adventure seeds, and character stats * Basic Rules provide everything you need to run a scenario in the ‘Verse
* Wedding Planners, written by Margaret Weis, is a five-act Echoes of War adventure
* Shooting Fish is written by Andrew Peregrine
* Appendix includes design essays, glossary, FAQ, Chinese Translation Guide, and the White Sun Galaxy Atlas
All game material provided in Gaming in the ‘Verse: Gen Con 2013 Exclusive will employ the Cortex Plus mechanic.
