This is a child theme designed for the PressBooks publishing platform, specifically for the Books4Languages project. It is intended for publishers, educators, and organizations creating language learning materials who need a customized visual presentation and specific functional modifications on top of the base Aldine theme.

• Front-End Modifications: Provides all the specific visual and functional changes required for the Books4Languages website, ensuring a consistent and branded experience for language learners.
• Custom Page Templates: Includes a modified Catalog page template, allowing for the structured display of language learning books and resources.
• Integrated User Links: Adds 'Sign Up' and 'Your Membership' links in the header and footer, supporting integration with membership or subscription plugins for restricted content access.
• Updated Branding Elements: Features custom static logos for the header and sign-in pages, along with updated footer social media links that open in new tabs for better user navigation.
• Security and Compliance: Implements security enhancements like adding the rel='noopener' attribute to external links and includes a dedicated link to the Privacy Policy in the page footer.