For more than 34 years, Mackin has provided library and classroom materials for grades PK-12. Working with over 18,000 publishers and a database of nearly 3 million printed titles and more than 1.9 million digital titles, Mackin supplies print books, eBooks, online educational databases, audiobooks, video resources, makerspace materials, and more, along with digital content management and custom collection analysis services. For more information, visit www.mackin.com or call 800-245-9540.