This ebook features mark-up that supports accessibility and enables compatibility with assistive technology. It has been designed to allow display properties to be modified by the reader. The file includes a table of contents, a defined reading order, and ARIA roles to identify key sections and improve the reading experience. A page list and page break locations help readers coordinate with the print edition. Headings allow readers to navigate the ebook quickly by level. There is a fully linked and navigable index. Colors meet WCAG 2.1 Level AA contrast standards. There are no hazards.