9. The system of claim 8 , wherein the relational database stores authoring progress information and wherein the user interface module uses such stored authoring progress information to return to an editing state on request from an author.
9. The system of claim 8 , wherein the relational database stores authoring progress information and wherein the user interface module uses such stored authoring progress information to return to an editing state on request from an author. 10. The system of claim 9 , further comprising a template management module that includes a library of templates effects selectable by an author for use in authoring an electronic book.