Some recommended kaizen books and lean books are listed below - 

Lean Thinking - Womack & Jones

A Revolution in Manufacturing: The SMED System - Shigeo Shingo

The Toyota Way - Jeffrey Lineker

Toyota Production System Beyond Large-Scale Production - Taiichi Ohno

Kaizen The Key To Japan's Competitive Success - Masaaki Imai

 What is kaizen?    -    What is lean?    -    What is 5S?    -    What is kanban?                                   Kaizenworld® 2016