Online Resources


Search for books, audio books, e-books, DVDs, and Blu-Rays in our collection using our online catalog. You can also log in using your library card number and phone number as password to renew, reserve, and request items. 


Download the free Overdrive or Libby app on your smartphone, tablet, or e-reader to access thousands of e-books and audio books 24/7. Once downloaded, search for Lone Star Digital Library, select Castroville Public Library, then sign in with your library card number and use your phone number as password. If you have problems with logging in, contact library staff. You can check out eight digital titles at a time and place up to 20 holds on items that are currently checked out by other users. Once checked out, Overdrive e-books and audio books can be enjoyed from the app or downloaded so you can access them even when you don't have an internet connection. Digital items can be borrowed for up to two weeks. They return automatically so you never have to worry about late fees. You can also access Overdrive straight from your browser at

TexShare Database

TexShare is a cooperative program designed to improve library service to Texans. TexShare focuses on the efficient sharing of library holdings, with an emphasis on electronic information resources and traditional collections of books and journals. To access the TexShare Database just visit the online catalog, log in using your library card and your phone number as password, and click on the TexShare icon. 

Mango Languages

Learn one (or more) of over 70 languages using this PhD-created and linguist-approved software and have fun in the process. You can also take ESL courses. Download the app and learn on the go. Log in with your library card number and phone number as password. Click on the Mango logo below to visit on your browser. 

LinkedIn Learning

LinkedIn Learning helps anyone learn software, technology, creative, and business skills to achieve their personal and professional goals. Access a vast library of high-quality, current, and engaging video tutorials taught by recognized industry experts. Click the link below, then use your phone number as PIN to login.