Online Resources


Search for books, audiobooks, 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 Libby app on your smartphone, tablet, or e-reader to access 21,000+ e-books and audiobooks 24/7. Once downloaded, search for Lone Star Digital Library, select Castroville Public Library, sign in with your library card number, and use your phone number as a 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 currently checked out by other users. Once checked out, Libby e-books and audiobooks 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 Lone Star Digital Library straight from your browser. Watch this video for more info on Libby.


Download the free SimplyE app to your smartphone or tablet to access an additional 17,000+ ebooks and digital audiobooks from E-Read Texas. Your user id is your library card number, and your default password is the phone number on your library account. Checkout limits and durations vary. All items can be downloaded to your device for offline use. Digital items renew automatically--no late fees! Watch this video for more info on SimplyE.

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, simply visit the online catalog, log in using your library card and 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 your password. Click on the Mango logo below to visit on your browser 

Mango Languages

LinkedIn Learning

LinkedIn Learning helps anyone learn software, technology, creative, and business skills to achieve 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 your PIN to log in. Linkedin Learning Login