First thing you have to determine:
What kind of books are you returning?
For textbooks (rental returns, questions about the Tornado Textbook Program), you have to get in touch with the CTX Bookstore :
CTX Bookstore--Building B
concordiabookstore@bba-corp.com
512-313-4850
https://concordia.textbooktech.com/
For CTX Library books (only), you may use the book drop in front of Building F.
You may also mail CTX Library books back:
Library Services
Concordia University Texas
11400 Concordia University Dr.
Austin, Texas 78726
For other types of books, please contact us.