Re: If not GFDL, then what?
Brian T. Sniffen said:
> The GNU GPL is somewhat awkward for print distribution: it requires
> either a CD of source in the back or an onerous offer valid for three
> years. The best alternative I can consider is to distribute the book
> under the GPL, with the special exception that printed copies may be
> derived from it, or perhaps a separate license to the publisher.
Special permission for the publisher might not be a bad idea, but it may
weaken the OP's desire that the publisher's version be Free.
The GPL is reasonably well-suited for print distribution (at least for large
Most technical books are created and modified on a computer, so there is a
"preferred form of modification" (aka source). The publisher will usually
keep this form around for the "2nd Edition" revisions, etc.
Many technical books come with a CD of examples from the book, or similar
material. A copy of the source could easily be distributed on that CD.*
Alternatively, the book's copyright page could offer a copy of the source by
sending an SASE (with blank formatted floppy) to the publisher. Offer valid
* The book could not legally be sold without the CD, since the seller would
not be fulfilling the reqs of the GPL.