As part of its activities on workforce development, the Federal Reserve Bank of Philadelphia’s Community Development Studies & Education (CDS&E) Department has released a guide on apprenticeship for employers and workforce intermediaries in Pennsylvania, New Jersey, and Delaware. This guide explains how apprenticeships work; discusses trends, successes, and challenges in U.S. apprenticeships; provides case studies of five long-term apprenticeship programs; profiles new and noteworthy programs; and includes contacts and resources.