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 * [JSTor](https://www.jstor.org/) - Books / Journals
 * [Dummies Store](https://t.me/dummiesbook) - Books for Dummies Collection
 * [Saylor Academy](https://learn.saylor.org/) - Courses
-* [eBookers](https://t.me/ebookers) - Telegram
 * [Textbook Search Engine](https://cse.google.com/cse/publicurl?cx=011394183039475424659:5bfyqg89ers), [2](https://cse.google.com/cse?cx=001639227550064093264:dznewka3cca) - Search for Textbooks
 * [Open Textbook Library](https://open.umn.edu/opentextbooks/) - Textbooks
-* [grade12books](https://t.me/grade12books) - Textbooks
 * [TextBookGo](http://textbookgo.com/) - TextBooks
 * [Saylor](https://www.saylor.org/books/) - Textbooks
 * [Wikibooks](https://en.wikibooks.org/) - Open-Content Texbooks