The University Library steered a Book Fair last March 6-10, 2017 at the Cagayan State University, Main Library, Tuguegarao City, Cagayan. Several book exhibitors such as The Academic Book Sales, Inc., Belview Co., Inc., Great Books Trading, Mind Mover Publishing House Inc., Omnibooks International Inc., and Serv Enterprises, showcased the newest publications across all disciplines of reference materials.

The very purpose of the activity is to a) encourage faculty members and students to participate in collection development process; b) select, evaluate, and acquire the latest editions of references needed by the programs being offered in the university and; c) augment the collections and comply with the Library Standards set by Accrediting Agencies.