Contact Us

Ebooks Technical Support 

For customer service regarding the software or technical aspects of our ebooks (including navigation and eCommerce), please send an email to protobooks.support@ipublishcentral.com or learn more from our ebook FAQs.

Ebooks Content

Questions regarding our ebook content and publications should be directed to protobooks@obs.com. 

Print-on-Demand with the Espresso Book Machine (EBM)

For customer service regarding print-on-demand with Harvard Book Store's EBM, please send an email to bookmachine@harvard.com.