The concept of flow is straightforward. It’s easy to visualize the stream of projects going through the system and understand that if something clogs the flow, the projects pile up; the lead time gets longer, and as a result the reliability of due dates suffers. What is not so easy is to uncover the specific obstacles that obstruct the flow and figure out how to remove them. is the book that the great Eli Goldratt, author of , wanted to write about his later developments in the field of project management. As he passed away before accomplishing it, his daughter, Efrat Goldratt, a brilliant author in her own right, has picked up the mantle. Whether you’re a manager in engineering, IT, service or sales, this book will help you gain much better predictability and significantly improve your delivery.