Bookfinder is an Android application that allows you to search for books with millions of collections. With a simple or advanced search function, you can easily find brief descriptions and previews of books. For selected books, the full text is also available. Additionally, the app offers a price comparison list with direct links to online stores where you can purchase the desired book as an eBook or on paper. The app provides access to a vast number of online libraries and other data sources such as Google Books, Alibris UK, Apple Books, Bol.com NL/BE, and many more. Bookfinder is a free application that is easy to use and allows you to find every book you need.