The order picking process accounts for 55% of the total warehousing costs. It is very labor intensive and raising efficiency in this part of the process will promise high savings. In a few simple steps, this book explains how an ordinary pick and pack process is transformed into a lean, pull-based system, to minimize the need for capacity and sustainably drive down operating expenses. The book is written for practical use, backed by extensive research and longstanding experience of experts in the field of lean production and stochastic.