This book provides an in-depth look at how to use the Kanban methodology to manage projects in an agile environment. Written by Eric Brechner, an experienced project manager and agile practitioner, this book will help you understand the basics of Kanban and how to apply it to your projects
From Wikipedia
Kanban is a lean method to manage and improve work across human systems. This approach aims to manage work by balancing demands with available capacity, and by improving the handling of system-level bottlenecks.