Learning by Doing: A Handbook for Professional Learning Communities at Work(r) (a Practical Guide for Implementing the PLC Process and Tr - Paperbackby Richard Dufour (Author), Rebecca Dufour (Author), Robert Eaker (Author) 25 years on, the PLC at Work(R) process continues to produce results across the United States and worldwide. In this fourth edition of the bestseller Learning by Doing, the authors use updated research and time tested knowledge to address current education challenges, from learning gaps exacerbated by the COVID 19 pandemic to the need to drive a highly effective multitiered