more information please

Hello:
My name is Juan Federico Martinez, i´m from Argentina. sorry for mad bad 
English. I interesting in publish a e-bock in base yours content. my 
project is a e-bock will-be able for free download and it will be 
release under /*GNU Free Documentation License*/ or *GFDL* i want to 
know, what i need to do, for sell a very low price a copy of that e-bock 
in some fiscal media like CD/DVD/pen drive to support our Open source 
User Group.  just i need to known if that is possible and i want to 
known if i can do it.