This document provides an overview of a fellowship program aimed at transforming public libraries to better serve baby boomers aged 50 and over. The fellowship will involve webinars, pre-institute activities, a multi-day in-person institute, online courses, and surveys to help libraries innovatively engage older adult patrons through leadership training, community assessments, partnerships, volunteer programs, and social media strategies. The goal is to help libraries adapt to the interests of active aging baby boomers and make the most of their experience.