Generally, the TTUHSC libraries do not add course required textbooks to the library collection either as a purchase or when offered as a donation.
The TTUHSC libraries acquire textbooks selectively for the collection if they have some long-term research value or study value, or if they cover a new or emerging discipline. In those cases when a textbook is acquired for the collection, only a single copy will be added without any implied commitment to acquire future editions of the textbook.