Aldine is the default theme for the home page of Pressbooks networks. It is named for the Aldine Press, founded by Aldus Manutius in 1494, who is regarded by many as the world’s first publisher.
Aldine is the default theme for the home page of [Pressbooks](https://pressbooks.org) networks. It is named for the Aldine Press, founded by Aldus Manutius in 1494, who is regarded by many as the world’s first publisher. Aldine is based on [Underscores](https://underscores.me/).
Aldine is the new default network theme for Pressbooks installations. Its creation was supported by [Ryerson University](https://ryerson.ca). Designed with customization in mind, it allows network managers to add institutional branding in the form of colours, logos and contact information, as well as custom content in blocks on the front page.
#### Standalone Catalog
In addition, Aldine introduces a standalone catalog page that is sortable and filterable by subject or license. Adding books to the catalog is controlled in the [same way as before](https://eduguide.pressbooks.com/chapter/catalogs/).
#### Additional Pages
You can now more easily add additional pages to the network root, such as an “About Us” or “Help” page.
