The cloudLibrary app was recently updated to improve the Advanced Search capability.
To explore the new functionality within the app, tap on the magnifying glass icon to search by keyword. You can also easily see previous searches.

Tap advanced search to search by title, author, series or ISBN.

Filter results by Format, Availability, Language, Date Published or Subject.
If you haven’t discovered cloudLibrary yet, click here to find out more.
Happy reading/listening!