Tailored for Book Authoring
Lacuna Books is a web application designed specially for book authoring. It understands hierarchy of a book, cross references chapters, sections, and figures, and provides tools for maintaining assets and references.
Book Editor— where you do most of the work.
Structured Writing
Separation between presentation and content allows you to focus on your writing, not on the specifics of formatting and layout. When adding figures and citations, just provide data, and Lacuna Books will pull appropriate information and display it for you.
A screen of options when embedding an image (top left);
how images appear inside the editor (top right);
and how caption and numbering are rendered in HTML, EPUB, and PDF books (bottom)