The Bottleneck Detective: Where Are the Productivity Killers & Profit Thieves Hiding in Your Business? Track Them Down in Under an Hour (Theory of Constraints Simplified) - Kindle edition by Ching, Clarke, Ching, Aisling. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading The Bottleneck Detective: Where Are the Productivity Killers & Profit Thieves Hiding in Your Business? Track Them Down in Under an Hour (Theory of Constraints Simplified).