Reading the other comments and responding, much of TeX (I don't know LaTeX - my Ph.D. was written in plain TeX) and HTML are interconvertable, depending on what

Reading the other comments and responding, much of TeX (I don't know LaTeX - my Ph.D. was written in plain TeX) and HTML are interconvertable, depending on what you're doing. It depends a lot on the kind of book you're writing, whether you need equations, fancy layout, etc. If it were, say, a novel, I'd still go for the wiki. Then put tags for the linear arc through the narrative, and side pages for notes to yourself. On the other hand, if it's a technical work then you might need something more high-powered. My book was quite technical, but I still used a wiki and embedded images from MimeTex for the equations. Exporting to HTML and using htmldoc worked a treat. I'm technical, I did a lot of support work, I didn't use a tool "out of the box," but I could tweak it to do some unusual stuff. YMWV. How much customisation are you willing to do?