The PLC + Activator’s Guide Spiral-Bound Book (Corwin Literacy) – NEW The PLC + Activator’s Guide Spiral-Bound Book by Karen Flories, Douglas Fisher, Dave Nagel, John Almarode, and Nancy Frey is a new textbook focused on professional development in education. This spiral-bound book, published by Corwin Press, covers topics related to professional learning communities and offers practical strategies for improving teaching practices. With a strong emphasis on hands-on activities and collaborative learning, this book is designed to help educators enhance their professional skills and knowledge to better serve their students.