Mackin is a Minnesota-based, woman-owned company that provides high quality resources for classroom and library customers. Featuring the largest PK-12 collection of age-appropriate titles, Mackin offers a vast selection of over 3.5 million print titles and nearly 3 million digital titles from over 18,000 different publishers at www.mackin.com. We also provide free collection analysis and development services, free processing and cataloging options, and superior customer service.