my favorite plugin/theme for PressBooks

As an open-access academic author, I prefer the Open TextBook plugin/theme over the others packaged with PressBooks for these reasons:
– on the home page, the table of contents appears closer to the top (where readers can see it), and the option to freely display exported files (PDF, EPUB, MOBI, etc.) is wonderful
– the page width supports images up to 800 pixels wide, which really helps readers to view more of your illustrations
– the editor bar contains extra tools for academic writers