(sorry for the self-reply) For the curious: Lyx working document + (BibDesk+BibText+LaTex+Tex) -> really nice PDF for printing. Lyx -> ODF -> NeoOffice -> Amazo

(sorry for the self-reply) For the curious: Lyx working document + (BibDesk+BibText+LaTex+Tex) -> really nice PDF for printing. Lyx -> ODF -> NeoOffice -> Amazon Kindle toolset -> Kindle book. For backup/recovery, she relied on the built-in revision control in Lion (based on Time Machine, I think).