We believe that education must be available to everyone which means supporting the creation of free, open, and accessible educational resources. We are actively committed to increasing the accessibility and usability of the textbooks we produce.

Accessibility Features of the Web Version of this Resource

The web version of this resource has been designed with accessibility in mind by incorporating the following features:

• It has been optimized for people who use screen-reader technology.
  • all content can be navigated using a keyboard
  • links, headings, and tables are formatted to work with screen readers
  • images have alt tags
• Information is not conveyed by colour alone.

Other File Formats Available

In addition to the web version, this book is available in a number of file formats including PDF, EPUB (for eReaders), and various editable files. Choose from the selection of available file types from the  ‘Download this book’ drop-down menu.  This option appears below the book cover image on the eBook’s landing page.

Third-Party Content

In some cases, our open text includes third-party content. In these cases, it is often not possible to ensure the accessibility of this content.

Accessibility Improvements

While we strive to ensure that this resource is as accessible and usable as possible, we might not always get it right. We are always looking for ways to make our resources more accessible. If you have problems accessing this resource, please contact us via this webform to let us know so we can fix the issue.